Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A hugely vast Irish landscape of barren rock that stretches for miles.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

The largest Buddhist city in Europe is a haven for chess fanatics.

Gargantuan home of Russian science.

Stalinist skyscraper built with help of cryotechnology.

A small part of Russia that does not touch any other part of Russia.

World's largest bell sits on the grounds of the Kremlin in Moscow.

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

An ancient necropolis of magnificent tombs.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

Elvis's own personal tropical hideaway.

This two-room shotgun shack in Tupelo is the birthplace of a King.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

The world's longest known cave system.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.