Only intact Ichthyosaur skeleton in the United States.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

An abandoned observatory in the middle of the Illinois prairie.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

This East German military command bunker was ready for World War III.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

A remarkable lava formation encloses a line of Buddhist statues that can't be accurately counted, according to local mythology.

This trail follows unique stone railroad tracks and a historic waterway to the south coast of Devon.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

A series of 33 stone markers maps an ancient 55-mile transportation route.

A winding medieval path was used by mourners to carry their dead to the nearest church.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

A picturesque example of brute-force engineering conquering nature.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

This defunct Champlain Oil service station harkens back to the early days of automobiles.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

Ancient human, animal, and geometric figures drawn in the earth.