Even after the church tried to wipe the practice out, this pagan festival lives on each year in a small Scottish village.

An American ghost town hides along a side street in Scotland's capital.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

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

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Largest lake in Great Britain measured by surface area.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

A 18th century graveyard and its astonishing cortege of macabre iconography.

At high tide this strange footbridge appears to have no purpose whatsoever.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This "floating island" plateau sits 7,671 feet above the forest floor.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

This small, but long-running hobby club has built one of the largest model rail lines in the US.

A century-old network of freight tunnels underneath the city's historic business district.

Pizza with a side of fine art.

A hollow cement depiction of time's inexorable effect on the human body.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A science teacher's dream.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.