Buzz
Whether you like it or not, our planet is woven together with an extensive network of caves, stretching far deeper than you can imagine. For every structure we build above the earth, nature has crafted its own subterranean wonders below. And they’re not filled with furniture or TVs like the ones above.
From abandoned 19th-century mines to ancient, billion-year-old caverns, cave systems come in every eerie form imaginable. Over time, they’ve gathered a bizarre collection of forgotten and intentionally concealed objects, including human remains, all left to collect dust in the crushing stillness and darkness.
This list compiles ten of those rediscovered relics—ten of the most astonishing things ever unearthed in caves.
10. The Bone Theater
The Paris Catacombs are infamous for being one of the largest burial sites in the world. More than six million human remains rest within its vast labyrinth of passageways, but the darkness doesn’t stop there. The site has become a hotspot for paranormal investigators and a breeding ground for illegal activities. In 2004, French police uncovered one such crime, and it was something they never could have anticipated.
Trespassers are a frequent sight in the catacombs, but most simply take photographs and leave. However, in 2004, police discovered that some intruders, their numbers unknown, had made themselves so comfortable in the tunnels that they transformed part of the catacombs into a living space. And what kind of home would be complete without a restaurant and a movie theater? According to The Guardian, police found “an underground amphitheater, with terraces carved into the stone and seats” as well as “a casual restaurant and bar. There were bottles of whiskey and other spirits behind the counter, tables, chairs, and even a pressure cooker for making couscous.” The police also reported that “the whole setup was powered by a professionally installed electrical system, and there were at least three phone lines running down there.” Quite an astonishing discovery in the middle of a vast, off-limits ossuary.
9. Hobbits
In 2003, a team of archaeologists working in the Liang Bua cave in Flores, Indonesia, uncovered human remains that defied all explanation. The bones clearly belonged to adults, and while they were unmistakably closely related to us, Homo sapiens, these individuals stood at only about three and a half feet tall. Naturally, they were soon dubbed hobbits.
The discovery stunned the scientific world, as these extinct humans were smaller than any recorded before, even a full foot shorter than the smallest of African Pygmies. Initially, many anthropologists thought the skeletons were simply the result of a disease that stunted growth. However, recent research has pointed to a different conclusion: these hobbits, scientifically named Homo floresiensis, were otherwise normal, healthy, intelligent people. They just happened to be the size of hobbits.
8. Mysterious Gigantic Bones
While we’re on the topic of ancient remains, another cave gained attention for the exact opposite reason. The Panxian Dadong Cave was found to contain a collection of extraordinarily large bones. Archaeologists working in one of the Panxian Dadong caves in southern China discovered bones belonging to over 40 ancient species of mammals, most of which were large herbivores and pack animals. The problem? The cave was located 1,600 feet above sea level, with only a sheer rock face leading up to its entrance.
Among the countless bones were remains of ancient rhinos, elephant-like Stegodons, and even the Bigfoot-like Gigantopithecus. Many showed clear evidence of human interference, such as burning and cutting marks, indicating that ancient humans may have been responsible for the stockpile. But the real question remains: how did our ancestors manage to bring these massive animals all the way up there in the first place?
7. The Ghost of a Witch
What started as a casual Reddit post from a pair of anonymous hikers soon blossomed into a captivating modern mystery. In 2016, the hikers were exploring caves in New York’s Catskill Mountains when they encountered an unsettling effigy. Hidden away in a small alcove was a wooden statue of a woman with a noose around her neck and nails driven into her eyes. Though one hiker was reluctant to take it, the other insisted on bringing the eerie object home.
As the original poster described, the statue “keeps moving from its spot… (His friend) can’t sleep at night because banging keeps waking him up… someone knocked on his door, but no one was there when he opened it, and he’s super weirded out.” They ended up donating the item to a museum dedicated to the occult, and that’s when its story truly takes a bizarre turn…
6. A Crystallized Human Sacrifice
Actun Tunichil Muknal, a prominent archaeological site in Belize, has uncovered numerous Mayan relics. The most (in)famous find to emerge from its depths is alluded to by the cave's translated name: The Cave of the Crystal Sepulcher. (No, Indiana Jones, better skip this one.)
The cave was undoubtedly a site for ritualistic sacrifices. Skeletons were found alongside ceremonial objects, decorations, and even on altars, all victims of human hands. The ages of the remains range from infants to individuals around 40 years old, with some showing signs of skull shaping. But the real treasure of this site is the perfectly calcified remains of a 17-year-old boy (originally believed to be female), known as The Crystal Maiden. His spine is shattered, and it’s believed he suffered excruciatingly before his death. His agony is preserved for eternity; calcium crystals have completely enveloped his bones, transforming him into what could be considered the world’s most macabre snow sculpture.
5. A New Dead Sea Scroll and a Time Traveler
The Dead Sea Scrolls have never truly been fully discovered; in fact, we’re still finding more. The collection consists of thousands of scroll fragments that are still being unearthed. Archaeologists have been uncovering these pieces since the 1940s, and as recently as 2021, new fragments were found in Israel’s Cave of Horror.
The cave earned its eerie nickname in the 1960s when the remains of 40 Jews were found there. It was believed that Roman soldiers had massacred them in the second century. When researchers revisited the cave in 2021, they uncovered dozens of new Dead Sea Scroll fragments, strangely buried alongside the mummified body of a young girl who lived 6,000 years ago.
4. Conspiracy Rocks
Caves, sheltered from the ravages of weather and biological forces, provide an ideal environment for rare geological formations to emerge, even if it takes millions or billions of years. Because of this, strange rocks and crystals often appear, some sparking wonder and others fueling theories of ancient alien encounters.
A notable example is the Wolfsegg Iron, also known as the Salzburg Cube, which was discovered in a mine in the 1800s. People initially believed it was a meteorite, and its odd shape led many to speculate that it had been crafted by machines before falling to Earth. Another example are the Klerksdorp spheres, which are over three billion years old, yet appear to have been shaped with precision, leading some to think they were man-made. In reality, both of these anomalies are simply the result of rare geological processes.
3. The 100-Year-Old Ax Murderer
Joseph Henry Loveless was a notorious criminal. In 1916, authorities imprisoned him on the suspicion that he had killed his wife, Agnes, with an ax. Using a small saw-blade hidden in his shoe, Loveless managed to escape from jail and vanished without a trace—at least, not alive.
Loveless’s rediscovery was both grisly and drawn-out. In 1979, a family stumbled upon an unidentified torso, beheaded and left to rot in a burlap sack in Buffalo Cave, Idaho. Twelve years later, in 1991, a matching hand was discovered, sparking a search that eventually uncovered the missing legs and one arm. Eighteen years after that, DNA testing confirmed the body could be the long-missing Loveless. His grandson, now 87, provided a DNA sample that helped finalize the identification.
The severed body was, indeed, the long-sought Joseph Henry Loveless, finally identified 103 years after his disappearance. While the exact cause of his death remains a mystery, some speculate that Agnes’s family finally caught up with him and took their revenge.
2. A Rainforest
As a break from the more sinister discoveries in caves, consider Son Doong Cave in Vietnam, home to the largest cave chamber on Earth. The cave is so vast that it houses its very own rainforest inside its rock walls.
After being dubbed ‘Eden’ in its natural beauty, the rainforest within Son Doong became affectionately known as the Garden of Edam, and it's easy to understand why. This is no simple patch of cave moss; it’s a thriving rainforest. Towering trees grow hundreds of feet high, and an entire ecosystem flourishes within the cave, with birds and monkeys among its inhabitants. The garden's discovery was entirely by chance, yet it’s a fortunate accident that stunned everyone.
1. Skull Cups
Gough’s Cave, a sprawling cave system in Somerset, England, is renowned for being the home of Cheddar Man, the oldest complete human skeleton ever discovered in Great Britain. The cave, however, also holds a more chilling secret: the remains of ancient humans, including children, whose skulls were crafted into drinking cups.
Many human bones were uncovered with marks that suggest cannibalistic activity—an unsettling but not uncommon finding among bones of this era. However, it's the skull cups that truly unsettle. Fragments from five to seven skulls have been discovered, smoothed and transformed into drinking vessels, one of which belonged to a child as young as three when they passed away.
