Hidden in plain sight on a gable between two towers on the roof of shipping firm F. Laeisz' headquarter in Hamburg sits an unexpected bronze sculpture.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

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

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

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

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

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

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

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

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

Now abandoned, the world's first torpedo factory is crumbling into the sea.

These pools have been abandoned for over 20 years.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

Nibble as you learn about Slovenia's longstanding tradition of making beautiful honey cookies.

This Slovenian museum houses the country's largest collection of painted beehive panels.

A wonderful museum dedicated to the local straw hat industry.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

This former railway facility is the oldest in Slovenia, and now houses a museum showcasing the history of steam locomotives.

Slovenia's first mosque is a striking mix of Islamic and modernist architecture.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The largest mosque in Germany.