A unique two-level bridge designed to honor a king.

This modern, multimedia museum takes visitors on an evolutionary journey back in time.

Trimmed trees grow alongside the graves like topiary tombstones.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

Colorful concentric circles honor a small Croatian town's supposed spot at the nucleus of it all.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

Yugoslavia's biggest underground airport lies in ruins.

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

This 135-year-old weather station studied the effects of the climate on human health.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

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

A tribute to an iconic act of defiance from the Croatian War of Independence involving a small car.

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.