A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

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

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Gigantic water vessel, permanently grounded in Southern Albania.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

Humble beginnings for one of the world's most famous scientists.

This huge metal monument is slowly being stripped to its concrete skeleton.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A musical instrument played by the sea.

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

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

Fourteen sculptures showing the development of a fetus stand outside a hospital for women and children.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.