This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

The faint remains of a Polish news empire still linger.

An eccentric park and pool.

One of the last functioning antique elevators in Chicago.

Where old school Polish Chicago and young hipster Chicago live side by side.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A whimsical bridge adorned with decorative dragons.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Where the lovelorn find a home for their sentimental keepsakes.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A musical instrument played by the sea.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Gargoyle head that brings good luck.

Bridge that died in war and was resurected.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

The first mosque in the world to receive electricity.

The place where World War I began.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.