A group of college students hauled a desk up a mountain more than 40 years ago. The notebooks inside have become a makeshift time capsule.

This North African stone complex is considered to be the oldest astronomical observatory on Earth.

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

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Miniature art that tells an enormous story.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Rome is now home to a stunning food museum and library.

Housed in a 1912 architectural masterpiece, this outlet of the Golden Arches is a real beauty.

The vertical-axis windmills of ancient Persia have been grinding flour for 1,000 years and counting.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

Lions carved into the rockface adorn these two tombs built into the mountains of Dadan.

A serene desert oasis speckled with ancient artifacts.

This long-distance walking route follows the Prime Meridian line as it passes through England.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

An abandoned suspension bridge on the Falkland Islands is crumbling into the water.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.