The world's second-largest sundial, made entirely out of stone.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

A 20-meter (65-foot) robot towers over Tokyo Bay.

A 59-ft. robot statue looks over the citizens of earthquake-ravaged Kobe.

Largest graveyard in all of Japan surrounds a famous mausoleum.

This psychedelic tourist trap is a leisurely descent into madness.

An out-of-place slice of France, smack in the middle of Shanghai.

A son-and-daughter meat market, hawked by mom and dad.

An Austrian house of bones filled with hundreds of intricately painted skulls.

This probably wasn't what Mao had in mind.

The curious underground history of keeping Paris clean.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

The celebrated eyesore created by starry-eyed sweethearts.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

A Prada store in the West Texas desert that is never open for business.