A dark tunnel leads to a striking white crater that seems to be from another planet.

During its heyday, the massive estate boasted its own railroad station and post office.

This small museum holds a treasure trove of ceramic figures that are either a hoax or proof of dragons, aliens, and dinosaur riders.

Mexico's astounding mummy museum with "the world's smallest mummy."

Kitschy horror displays now fill the house where some very real serial killing took place.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

Southern Mexico under the influence of mushrooms, ceremony and celebrity.

A scientific repository of goiters, boils and other ailments throughout Mexican history.

Taxidermied animals galore, by appointment only.

Repository for more than 22 million pickled specimens.

Even King Tut was intrigued by the glass of the Great Sand Sea.

An alien landscape of chalk-rock in the Egyptian desert.

A fairy garden in an old hotel hidden in La Marquesa forest.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

One of the world's largest collections of pharmaceutical artifacts.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

Moscow's imposing monument to the Space Age.

Stalinist skyscraper built with help of cryotechnology.