An abandoned relic of the city's failed experiment with below ground transit.

An art deco ice cream shop covered in vintage train station tiles.

Hideout of thieves, monks, and goat-footed gods.

What once sat in the world’s spotlight is today a largely disused ghost complex.

Large collection from the 3rd millennium BCE.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Where commuters walk through remnants of an ancient Greek necropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This famous archeological mystery may be an ancient example of movable type.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

1,500 Commonwealth servicemen of World War II are buried or commemorated in this cemetery.

This historic tower in the California desert promises visitors a "vortex of good vibes".

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

A historic freight system that found the true gold rush is in tourism.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

Oldest building in California still in use.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

This large collection of tiny things revels in the art of fine machinery well made.

A large sculptural artwork and garden in Escondido, California.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.