The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

A modern sliver of architecture in Roma.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

Nicolas Schöffer's massive interactive sculpture was assembled in 1961 and brought back online in 2016.

Stalactites and stalagmites in a beautifully lit cave.

Geothermal waterfalls in Tuscany.

Five candy-colored villages on the Italian Riviera.

Southern Italy's spinning top village.

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

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Geometry and mystery come together in an epic show of octagonal masonry.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

A man throwing a giant severed hand towers over Antwerp’s main square.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

Petting this mysterious iron monkey supposedly brings good luck.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A giant bug impaled on a 75-foot-tall needle.