Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

A crumbling World War I fort that is reached through a series of concrete tunnels.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

Six turbines towering over a wide road for passersby.

Tintin's creator is celebrated in an immersive museum that's an astounding work of modern art.

An early 20th-century sanatorium, long abandoned and now being reclaimed by nature.

This collection of lurid religious statues tell the tales of a saint who stood down the devil.

One of Belgium's oldest hospitals saw patients from the 13th to 20th centuries before becoming a museum.

A Cold War command center is hidden under an idyllic countryside.

The highest point in Belgium is a staircase to nowhere.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

One of the deepest indoor swimming pools in the world.

Theme park featuring miniature replicas of European monuments.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

An abandoned monument remembering the "Pančevo Holocaust" now stands as a shadow of its former self.

A narrow strip of land is home to the tallest migrating dunes in Europe.

This abandoned beacon is moving closer and closer to the sea.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

This enigmatic artifact remained buried in a churchyard for years.

The widest waterfall in Europe is a natural wonder and one of the only places where fish are caught in the air.