Where the "World Pinball Champion” is crowned.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Its founder calls it a "proletariat art renaissance".

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

For divers and music lovers, the Florida Keys' Underwater Music Festival provides the best of both worlds.

Submerged busts of communist and socialist figures from the USSR.

A floating underwater hotel, created by a Swedish artist.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A turquoise lake within a volcanic crater.

This workshop and small museum is dedicated to tiny, delicate figurines that began as a subversive craft after the French Revolution.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

At nearly 1,000 feet long, this astonishing glass suspension bridge is one of the longest in the world.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

This former lieutenant governor's home is brimming with curiosities.

This airfield is home to a number of retired vintage planes in various states of disrepair.

A tiny park off the beaten path covered in ingenious scrap metal sculptures.

This church sits upon a peaceful hill and a long, turbulent history.

"Bug Bug" Land, a natural park for beetle watching, still hasn't fully recovered from Fukushima's nuclear disaster.