One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

To find the "unicorns of the deep" you've got to go downstairs.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

This folk art wall claims to be the world's one and only memorial to the bygone age of hippies.

The clothes-washing king doubles as a community center with some unusual features, including an aviary filled with finches.

An amazing collection of scale model ships.

This Mediterranean castle was built for a millionaire and his giant dog.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

The world's third-largest scale model of the planets.

Man-made geyser that rises to the exact height of the Gateway Arch.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

Illegal drag racing two stories beneath Chicago’s streets.

A bloodstain from "the wound of the transverberation of the heart."

Today this bizarre rooftop phone booth seems like a piece of kitsch but it was once used to spot disastrous storms.

These abandoned grain silos and tunnels are an urban exploration dream.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

An eccentric park and pool.

Orthodox church partially financed by Tsar Nicolas II.

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.