A hidden lane full of top-quality street art.

A road that winds through this natural cave is the only way to access the small, appropriately-named village of Cuevas.

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

A somber memorial to the seven victims of a horrible crime.

This historic former textile mill now houses a brewery, hotel, and what's believed to be the longest bar in the United Kingdom.

The remains of an ancient bathhouse sit inside this aptly-named pub.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

The scene of the United Kingdom's most famous UFO incident, dubbed the "British Roswell."

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

The hottest place on the planet.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

A former reservoir that was only recently discovered after more than 60 years of disuse.

A witch wreaks ruinous revenge on this ancient church with her "enchanted leg."

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

Mysterious stone faces line a hidden path great for seeing wildflowers, bird watching, and rock climbing.

This 400-year-old house tells a tale of witchcraft and woodwork.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

This atmospheric spot in Pärnu's historic old town is located in a 17th-century almshouse.

Visitors to this shop will find fossils, minerals, meteorites, skeletons, oddities, and much more.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.