This Scottish burial tomb once held hundreds of ancient eagle bones.

Once the nail factory shut its doors, this Swedish factory town was abandoned, leaving behind a modern ghost town.

This odd California folly seems like it was almost designed to accumulate urban legends.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

The grandest stage for the world's foremost masters of invisible instruments.

This secret cemetery where no flag is allowed to fly holds the bodies of American soldiers convicted of heinous crimes during WWII.

This abandoned Slovenian military barracks has become a punky-political art squat.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.

To gaze upon the visage of Sri Lanka's biggest Buddha, one must first pass through the Tunnel of Hell.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

A sanctuary for sickly, stray, or wounded donkeys.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.