Places Edited by TravelGal

One of India’s largest second-hand bookstores, with more than 600,000 volumes lining its walls.

This military tunnel dates back to World War II and provides visitors with a little wartime adrenaline.

One of the most easily accessible examples of the rare 1960s UFO houses.

Don't blink or you'll miss it.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

An abandoned Cambodian resort that mirrored the downfall of the country as it was happening.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A massive volcanic plug is now a protected area that hosts a number of bird species.

An eatery for UFO seekers on the Extraterrestrial Highway.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.