A stone wall that mysteriously moved three feet from its foundation.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

Picturesque ruins once held off mighty armies.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

The stately remains of Llywelyn the Great's mighty fortress.

A mysterious taxidermy man-beast of the seven seas.

Three bridges straddle a stream, one stacked upon the other.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Weird wax anatomical models reside here, as do other anatomical specimens.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

Resting place of Hollywood's immortals is also site of summer film screenings.

The ancient latrines of the Greeks, in all their public glory.

This cemetery features modernist statues as strange as its name.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Bits and pieces from the ill-fated Donner Party's winter cabins.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

A pub that is literally in the middle of nowhere, but continues to do business.