This 1920s Dutch barge is now a floating bookstore.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

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

A meow-velous tribute to a beloved street cat, made famous on the internet.

Quite possibly the oldest love poem known to humankind.

Climb a set of vertiginous stone steps to the top of this impressive ancient edifice.

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

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

The eclectic home of a leading Turkish architect is a gorgeous piece of eye candy.

A sixth-century Byzantine cistern hidden below a modern carpet store.

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

A marvel of Byzantine engineering under the streets of Istanbul.

1513 Turkish world map, full of European state secrets and snarky commentary.

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

This medieval mountain town is also known as the "Village of Streams."

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

This 1920s railway depot is now home to two unique museums complete with a miniature train ride.

History is hiding at the Morean Center for Clay.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.