Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Countless grotesque faces stare out from this eerie Prague art wall.

Two stunning 17th-century libraries and a cabinet of curiosities.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

Legendary site where an evil bishop was devoured by rodents.

A misnamed well, with a deep dark past.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

This modern pedestrian bridge on the Yarra River was modeled after an Aboriginal fish trap.

A unique bridge with an equally unique view.

Brussels' favorite peeing boy has a sister.

When you're a great Russian Tsar, even your vomit gets a statue.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Meet the bronze beloved pet to a family of famous peeing statues.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Climb inside an iron crystal magnified 165 billion times its normal size.

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

Next to the well-known retaining weir "Hochablass" is the former raft port for the city of Augsburg.

This unique structure allowed boats to bypass underwater mine barriers in the channel to enter the harbor.

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

This 15th-century church houses priceless works of art from a range of Croatian artists.

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