A stairway to heaven, or to nowhere at all.

On high feast days, the entire blue-glass front of this modern church opens up to reveal the small wooden church inside.

A subterranean display of public art and architecture.

For centuries, Germans have been dancing in trees.

The largest brick bridge in the world.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

An unusual bronze bus shelter is actually an art installation commenting on the city's history with the Nazi party.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

Two monstrous faces loom over a village in Czechia.

Every part of this unusual home is built into the sandstone rock.

An unusual heating plant that has garnered notoriety for its distinct shape.

This spherical sculpture has also been dubbed "the steel orange" due to its likeness to a massive, sliced piece of citrus.

The rusted creatures wait to be discovered in Prague's botanical garden.

A former squatter's paradise outside Prague.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

Steadily reminding Czechia of its past.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

This Czech military museum is home to pink tank that was once a symbol of art and political rebellion.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.