Unrepaired walls from a 1920 anarchist bomb attack.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

The "Seinfeld" diner.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Try not to get slimed in Tribeca.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A centuries-old Hindu cave temple is tucked away in a quiet suburb.

The largest tiger reserve in India is a vast expanse dotted with ancient ruins of Nagarjuna Viswa Vidyalayam.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

Be a ninja - or just act like one.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Japan's corrupt-mental-institution themed restaurant offers diners a chance to eat inside of filthy cells.

Fine dining in the bizarre world of Lewis Carroll.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

This brothel-turned-restaurant features plenty of surprises and elaborate, extravagant architecture.

This massive, beautifully-lit underground quarry leaves visitors in awe.

Dedicated to the armor and weapons used by the legendary Japanese warriors.

Museum dedicated to the largest battleship ever built.

"Excuse me sir, your submarine is blocking my building."

Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.

More tin toys than you can shake a clapping monkey at.

The largest collection of model trains in the world is actually run using full-size locomotive technology.

A semi-abandoned replica of Prince Edward Island's Avonlea—in Japan.

An eerie maze of industrial factories looks like something out of a dystopian sci-fi.