A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Climb inside an iron crystal magnified 165 billion times its normal size.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

An abandoned cable car station located on the Danube stands like a haunted house above the river.

One of the biggest Buddhist stupas in Europe, hidden from most locals.

The only natural cave bath in all of Europe.

An industrial site turned into Hungary's most cherished natural wonder.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A two-way chairlift system between Zugliget and the highest point in the city.

Budapest's Communist-era statues, banished to the suburbs.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Museum dedicated to the terror regimes of Hungary.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

A surprisingly beautiful abandoned World War II military base in East Greenland.

Despite being tiny and rural this Georgian airport looks like a sci-fi boondoggle.

A gleaming white and undulating tower marks the border between Georgia and Turkey.