This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

Housed in an old British jail, this spot serves up Georgian, Russian, and Ukrainian specialities with a side of Turkish history.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

This bell stars in a tragic love tale and is said to make wishes come true.

A statue honors the children who fought Nazis in Poland.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A hidden art gallery in an abandoned Warsaw fort.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

This museum was invented in a novel before being made real by the author.

The ornate miniature mansions were built for Istanbul's feathered residents.

An abused and forgotten metropolis, abandoned for centuries.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

Roman ruins top white travertine terraces formed by ancient hot springs.

This famous city eluded concrete detection until the early 2000's.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Explore the dark underground corridors of this graffiti-covered former military fortification.

Somewhat controversial when first unveiled, this gathering of sea creatures has become a hidden gem.

An easy-to-reach, century-old shipwreck in shallow and crystal clear waters.

A fiery crater has been burning in the Karakum Desert since 1971.

A bizarre house filled with an astounding array of collections.