Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

World's first "penitentiary," meant to be humane, drove men insane.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Thousands of American timepieces on display in the former clock-making capital of the country.

More than a century of radio history is told in these displays.

This decrepit abandoned building is made all the more eerie by its dark history.

One of the largest public collection of historic armored and military vehicles in North America.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

The world's best collection to gauge whether or not you should wear a scarf outside.

35,000 grape hyacinths flow like water down a garden hill.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

This piece of peacetime naval wreckage memorializes the tragic sinking of the USS Maine--an event which sparked the Spanish-American war.

An eccentric inventor's castle home with its own indoor weather system.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

Friction between grains of sand cause a curious "singing" sound.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

Former bath house turns gastropub.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

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

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.