Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Abandoned limestone cave was once a sacred place of worship.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

Bizarre Hindu and Buddhist sculpture park.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

The ancient latrines of the Greeks, in all their public glory.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

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

Where commuters walk through remnants of an ancient Greek necropolis.

A marvel of Byzantine engineering under the streets of Istanbul.

The magic's in the hole!

A museum dedicated to the history and exploration of both popular music and science fiction.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Race through the maze, get your name on the sign.

Oldest building in California still in use.

The Giant Lemon of Lemon Grove.

San Diego's most historic and haunted home.

Lucha Libre (Mexican Wrestling) themed taco shop.

North America's largest accredited model railroad museum.