The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

This charming, hidden guild museum holds some 700 years of crossbow history.

These medieval funerary monuments are now home to a colony of critically endangered vultures.

4,000 monkeys used for medical testing on an island off of South Carolina.

Moss-covered sculptures fill this small Brazilian gorge.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

For nearly 200 years the same family has harvested ice from a small pond in eastern Maine.

Drink and dine in a coral cave that's at least 120,000 years old.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

Home to a timed geyser created by complete accident.

This massive airship factory is so large that it has its own indoor weather.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

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

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

Three wildly colorful calderas top this otherworldly volcano chain.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

Where dioramas can follow you home.