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

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

This tremendous timepiece was once the largest cuckoo clock in the world.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

Legendary site where an evil bishop was devoured by rodents.

The many—66 to be exact—faces of the German forest.

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.

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

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

The highest cold-water geyser in the world.

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

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

A 141-foot wave of crashing lumber guards the entrance to the Grand Place in Mons.

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

Ancient man-made caves underneath small town Belgium.

You would never come across this tiny green oasis if you didn't know it existed.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

A massive, gleaming sea turtle with a rider atop its shell looks out over the horizon.

Walk or bike along a narrow strip of Belgium sandwiched by German territory.

The world's tallest boat lift stands as a massive piece of industrial tourism.