This shop for all your super spy needs hides an educational secret.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The only theatre in the world constructed specifically for sound movement.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A lush green oasis in the middle of Chicago.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Continuing the tradition of the dime museum in style.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

An enormous, inside-out glass globe built in 1935.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

It's bad manners to eat and drink on the subways of Tokyo, unless the train is this bar. 

A Buddhist temple on an artificial island that houses a monument to the fugu fish.

A wooden prison doesn't sound like a good idea, yet this abandoned 1950s detention center still stands today.

Take a few seconds to look at this abandoned, art-filled station as you pass by on the subway to Ueno.

This Metabolist, retro-futuristic residential complex resembles a cyberpunk space colony established on Earth.

It is said that coins washed in the waters here will miraculously multiply.

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare enter it.