These medieval skyscrapers dominate the skyline of this small Tuscan town.

An 800-year-old island castle in Guernsey's main harbor.

The world's first interactive human body museum also serves as a chair for a giant orange man.

The 20-mile causeway that separates the Netherlands from the sea.

This Dutch statue is a monument to the fictional shrew who brought doom to the city of Stavoren.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

This 13th century Gothic brick castle is the largest in the world by surface area.

Over time, this castle grew to encompass the entire island.

The reconstruction of this prominent building fulfilled a long-written command.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

The secret meeting held in this building would forever change the world.

A beautiful and moving memorial set on a little island in the middle of the river in Minsk.

A sculpture of graceful storks sits atop this fountain in Independence Square.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

A public urinal so pretty, it was declared a national monument.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.