Countless grotesque faces stare out from this eerie Prague art wall.

A church of bones, decorated with 40,000 human skeletons.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

This spooky statue sits outside a famous Prague theater.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Macabre astrological automaton clock dating to the late 1400s.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

After miraculously surviving a giant flood, the 19th-century nut tree and its offspring are protected with their own tiny park.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

Back in the day everyone who was anyone played this historic western theater.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

The contents of this safe survived a 37-kiloton nuclear bomb.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

An exotic wildlife habitat right off The Strip.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

An eatery for UFO seekers on the Extraterrestrial Highway.