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

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

For more than 170 years, this family-run bakery has been serving Berlin’s best Baumkuchen, or “tree cake.”

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

After local authorities changed the design, the building's architect, Le Corbusier, wanted nothing to do with it.

Dating back to the Pre-Roman Iron Age, this piece of bread is Europe's oldest surviving formed bakery product.

The home of president Truman during the Potsdam Conference, and the place from which the atomic bomb strike on Japan was triggered.

This former steel and coal plant is now a neon-lit industrial fantasia.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

The prototype for all Nazi concentration camps.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

The amazing wonder cabinets of a very rich Austrian archbishop.

This classic restaurant features a gorgeous mirror-clad room.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

Some of New York's best tacos can be found in the back of an unassuming bodega in Queens.

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

Salute the leader of the proletariat.

Commemorating the spot where the famous scientist fed his pigeons.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.