Along the most northwestern point in Africa is an ancient cave surrounded by legends.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The final resting place for the remains of 143 Habsburg royalty.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

Scotland's only funicular railway is also the United Kingdom's highest.

This Scottish castle has witnessed clan rivalries, Jacobite uprisings, whisky smuggling, and more.

A crumbling ghost town on the South Dakota prairie.

A 1,000-foot-long railroad tunnel under Shavers Fork connected the towns during West Virginia's logging boom until its closure in 1985.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

This impressive ledge seems to float above the Upper Buffalo Wilderness.

Well-preserved ruins in the Pine Grove Hills of western Nevada.

Spectacular volcanic cliffs along the Crooked River invite hiking, rock climbing, and photography.

This haunting monument honors the victims of 9/11.

The final resting place of a famous 19th-century murder victim whose identity is still a mystery.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

In 1952, a strange encounter in the woods of West Virginia led to the legend of a 10-foot-tall monster with glowing eyes and a distinctive style.