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Throughout history, a series of monumental events took place that shaped the world we study today. Many of these events left visible marks on their surroundings, which continue to be explored by people today as we uncover more about life in earlier times.
This collection serves as a reminder that history is still evident in the world around us. Let's explore 10 locations that continue to hold the marks of the past.
10. The Dinosaur Dance Floor
Regardless of your belief in dinosaurs, there is an abundance of evidence that enormous creatures once roamed our planet. Ancient Chinese texts recount the discovery of “dragon” bones, which we now recognize as dinosaur fossils. It’s highly probable that early civilizations unearthed these fossils without fully understanding what they had found.
In 2008, dinosaur bones and fossils were no longer considered groundbreaking discoveries. Yet, scientists were still astonished when a remarkably rare set of footprints was uncovered along the Arizona-Utah border. The Vermilion Cliffs National Monument now holds over 1,000 footprints from various dinosaurs, including both adults and their young. The site was affectionately dubbed the “dinosaur dance floor” because it was the kind of desert oasis that attracted large groups of these massive creatures.
In addition to the footprints, rare marks left by dinosaur tails were found, offering further proof of periods when the Southwest U.S. was covered by massive sand dunes, far larger than those found in the Sahara Desert.
9. Black Tears
As Franklin D. Roosevelt famously declared, December 7, 1941, will forever be remembered as a day of infamy. The surprise Japanese attack on Pearl Harbor in Honolulu, Hawaii, altered the course of history and thrust America headlong into World War II.
Today, visitors to the Pearl Harbor Aviation Museum stand on a historic World War II battlefield, gazing at bullet marks and bomb craters that scar the hangars and surrounding tarmac.
Perhaps the most poignant reminder of that tragic day is the USS Arizona Memorial, where the remains of 1,102 men still rest 12.2 meters (40 feet) beneath the water, entombed in the ill-fated battleship. The forward deck of the ship was struck by a 798-kilogram (1,760-pound) bomb, which triggered a catastrophic explosion when it struck the Arizona’s own ammunition stores, causing them to detonate simultaneously. The Arizona burned for nearly three days following the attack, reaching temperatures three times hotter than the lava that erupted from Kilauea in 2018.
The USS Arizona continues to leak oil, which forms pools on the water’s surface. These dark patches have been described as black tears, serving as a grim reminder of the lasting consequences of war.
8. Hominin Fossil Sites
Scientists estimate that the universe formed around 14 billion years ago, and that Earth is over 4.6 billion years old. It is also believed that life began on Earth around 3.8 billion years ago, with Africa being regarded as the cradle of humankind.
When Johannesburg was still vast grasslands and rocky terrain home to saber-toothed cats, life was perilous for early hominins. One of them learned this harsh truth firsthand when it was seized by a giant eagle and dropped into a network of subterranean limestone caves over 2.5 million years ago.
In 1924, Raymond Dart, a paleontologist and professor at the University of Witwatersrand, was handed two boxes containing fossils discovered at Taung as he was leaving for a wedding. Inside one of the boxes, he found a skull that initially appeared to be ape-like. However, the more Dart examined the skull, the more he became convinced that it belonged to a hominin child that walked upright like a human. He named the fossil the 'Taung Child' and heralded the discovery as the missing link between apes and humans.
Other experts were initially skeptical of Dart's conclusions. However, two decades later, an adult pelvis was discovered in the Sterkfontein Caves near Taung, confirming that this species, Australopithecus africanus, indeed walked upright. Since then, hundreds of hominin fossils have been found in the area, leading to UNESCO designating it as a World Heritage site, calling it the 'Cradle of Humankind.'
Fossils continue to be uncovered in the region, which has led to many sites being closed to the public. However, visitors can still explore the rich history of the area at the Maropeng Visitor Center, the Taung Heritage Route (which passes the location where the Taung Child was found), and the Blue Pools.
7. Earthquake of Biblical Proportions
The book of Amos describes a devastating earthquake, with Zechariah and Ezekiel also mentioning a similar event. Scholars agree that this earthquake likely occurred during the 8th century BC. Later, the Roman-Jewish historian Josephus also documented an earthquake that took place during the reign of King Uzziah.
In 2016, archaeologist Israel Finkelstein and his team conducted excavations at the ancient city of Megiddo and uncovered evidence of an earthquake from a similar period. By 2019, Finkelstein's team reported finding tilted and deformed walls, fractured stones, sinking floors, liquefied sand, and other signs of seismic activity.
In 2021, an excavation team from the Israel Antiquities Authority discovered a layer of destruction within the City of David National Park. This layer contained broken lamps, tools, jars, and bows—items destroyed as the building walls collapsed. Archaeologist Joe Uziel suggested that while Jerusalem may not have been the epicenter, it experienced significant damage from the quake.
Another team of researchers uncovered evidence of seismic events near the Dead Sea, suggesting that two major earthquakes likely occurred during the eighth century.
6. The Plagues of Egypt
Earthquakes weren’t the only disasters to strike ancient biblical cities. According to the Bible, plagues ravaged Egypt to force the Egyptians to release the Israelites. While many historians dismiss the plagues as symbolic exaggerations, there is evidence that they did occur in some form, particularly in the ancient city of Pi-Rameses.
Archaeological findings support natural explanations for the disasters that occurred in Pi-Rameses, including a drought that caused the Nile River to change color. This drought is also believed to have driven frog populations away from the river before they perished. The demise of the frogs led to a dramatic surge in insects, which brought disease and eventually caused boils in humans.
The Bible’s description of the plagues also includes a thunderstorm of hail and fire, which many experts believe refers to the eruption of Thera in 1628 BC. This eruption is considered one of the largest volcanic events ever recorded, and ash deposits from this time have been discovered in the Nile region.
5. A Horrific Time in History
In 1692 Colonial America, 'witch fever' took hold of Salem for seven months. Over 150 people were accused of witchcraft and arrested, with twenty ultimately executed. Five others died in prison. Unlike in Europe, where suspected witches were burned at the stake, those executed in Salem were hanged (one was crushed under rocks).
This dark chapter of history is all the more appalling considering that most of the accusers were young girls under the age of 20, and courts allowed the death penalty based on spectral evidence. This meant that a witness could claim that the spirit of an accused person had harmed them and could 'win' the case.
The 'witch tests' were deliberately designed to ensure the accused would fail. For example, if the accused uttered a command to the devil to leave an afflicted victim and the victim was miraculously 'cured,' this was taken as proof of the accused's witchcraft. A single error in reciting the Lord’s Prayer was enough to label someone as a witch. Additionally, if the accused touched their supposed victim and the person flinched, it was considered undeniable proof of their guilt.
Today, over twelve historic houses remain in the Salem Village Historic District of Danvers, Massachusetts. These houses, dating back to the era of the witch trials, offer a glimpse into the past. One house, in particular, belonged to Rebecca Nurse, a woman convicted of witchcraft and hanged on July 19, 1692. It is now a historical landmark. According to legend, her son retrieved her body from the execution site and buried her in an unmarked grave in the Nurse family cemetery behind the house.
4. Ancient Tsunami
Around 3,800 years ago, a massive tsunami ravaged the Chilean coastline. This catastrophic event forced the region's hunter-gatherers to migrate inland, where they remained for over a thousand years.
A team of researchers, led by Gabriel Easton, spent several years studying the effects of the tsunami in the Atacama Desert, gathering crucial evidence. They discovered distinct sediment patterns left behind by the wave over a vast area. Additionally, they uncovered a stone house at a site called Zapatero, where the walls had collapsed inward—signifying the impact of a tsunami. Stones from another house were found scattered toward the sea, suggesting the wave's backwash had carried them. Chile's coastline lies on a subduction zone, where one tectonic plate is being forced beneath another, making the region highly vulnerable to earthquakes.
Easton has speculated that the ancient earthquake that triggered the tsunami might have resembled the 1960 Valdivia earthquake, which holds the record as the largest earthquake ever documented, with a magnitude of 9.5.
3. Iron Age Temples
As the legend goes, Navan Fort, located near the city of Armagh in Northern Ireland, was once the residence of the kings of Ulster.
In 2020, it was reported that archaeologists unearthed evidence of a vast Iron Age temple complex at Navan Fort, including residential structures that may have housed the kings during the early medieval period.
Prior to this discovery, experts had believed the prehistoric hilltop settlement was abandoned around 95 BC. However, the identification of these new structures revealed that Navan Fort's history extended all the way into the second millennium AD.
The temple complex is regarded as one of the largest and most intricate ever found in Europe. Remote-sensing technology and a geophysical survey have been employed to study the temples. These non-invasive methods detected changes in the soil's properties, allowing archaeologists to investigate the remnants of the ancient structures buried beneath the surface.
The structures remain concealed underground, and excavation will only commence once sufficient funding is secured.
2. The World’s First Animal
Fatty molecules preserved in a flat, rippled fossil led scientists to identify it as the remains of the oldest known animal in Earth's history.
Dickinsonia, the creatures responsible for these pancake-like fossils, were first discovered in the 1940s. These species, which were common in the oceans around 558 million years ago, could grow as large as 1.4 meters (4.5 feet) in length, an extraordinary size for any species at that time.
This confounded scientists, as Dickinsonia existed millions of years before the Cambrian explosion. It also ignited a debate about whether these species were early forms of animals, single-celled organisms, or something entirely different.
The results of a 2018 study focused on the discovery of Ediacaran fossils, including Dickinsonia, along the shores of the White Sea. These fossils, which had perfectly preserved organic material and fats, contained 93% cholesterol. This suggests that Dickinsonia were likely ancient animals, existing at least 17 million years prior to the Cambrian explosion, making them some of the first animals on Earth.
1. Badrulchau Monoliths
The Badrulchau Stone Monoliths are considered the largest and oldest archaeological site in Palau. Located on the hillsides of Babeldaob Island, 52 basalt stone monuments stand there, dating back to AD 161. Some of the stones are carved with faces.
Experts believe these monoliths may have been used as pillars for a Palauan meeting house, which, according to legend, was constructed by the gods. If these stones indeed belong to a meeting house or bai, it would be the largest bai ever built. Most of the monoliths stand about 1 meter (3 feet) wide and more than 2 meters (7 feet) tall.
The legend also tells that the stones were taken from Lukes, located between Peleliu and Angaur. The gods who were tasked with constructing the foundation finished their work first and began transporting the foundation pieces to Ngarchelong. However, one of the gods, Medechii Belau, playfully turned a coconut husk into a crowing rooster. Mistaking it for dawn, the gods abandoned their work, as they only labored in the dark. Those carrying the remaining parts of the bai simply dropped them wherever they stood and left them behind.
