The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

Reminders of the Battle of Berlin still scar the railway.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

The "Prussian Versailles" that is as glorious today as when it was built.

If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

This concrete residential area doubles as an open-air gallery.

The non-native bovine herd was brought in to help conserve these Berlin wetlands.

This TV tower once secretly housed a GDR intelligence team.

Where once there was a train station bathroom, there is now this German burger joint.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

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

Pilgrimage site for star-crossed lovers.

Artists made this mosque into a marvel of Ottoman baroque architecture.

A charming beach town in Turkey captures all the colors of the rainbow.

Roman ruins top white travertine terraces formed by ancient hot springs.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

Have tea in a cemetery with a dazzling view of Istanbul.