This Belgian palace was long the domain of priests and aristocrats but is now being turned into an art commune.

A collection of weird and wonderful art fills a former houseplant nursery.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

Scale model of St. Peter's Cathedral (Rome) in the middle of a small Dutch town.

What was once a bustling mining installation is now a bustling hub of contemporary art.

This mysterious pig iron pillar does not rust, despite being weathered by the elements for centuries.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

This small window display is dedicated to the noble carrot.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Legendary site where an evil bishop was devoured by rodents.

Tiny castle in the middle of the Rhine made you pay to pass.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

After years of being casually peed on by humans, this tree is peeing back.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

A ruined castle stands atop a hill surrounded by dragon lore.

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

Before the electric telegraph, a chain of stone towers carried messages across France.

1,300 chamber pots and their eccentric collector.

The tallest tower in Cáceres's Old Town.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.