Back in the tiny USSR.

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

Museum celebrating the achievements of the Soviet space program.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

Immortal combat in a Moscow museum.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Two dozen pinball games hidden away inside a most unlikely location.

A giant portrait of an ancient king looms over the river.

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

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

An acoustic anomaly with a mysterious cause.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

Beneath the surface, something slithers. And if you find it, prepare to be slimed and glowing.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

Carved faces add a touch of magic to this island's impressive oak trees.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

This kitschy tavern is also home to rare early editions of "Treasure Island."

This stone is a marker of one millionaire's personal vendetta against gravity.

"X" marks the spot of an echo chamber in the middle of a plaza.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.