This medieval church tower has maintained its clockworks since the 16th century.

This watchtower once presided over the Berlin Wall.

Likely the world’s only place where you’re meant to skate on top of cars.

The largest stretch of the Berlin Wall is right on top of the former SS headquarters

One of the best-preserved pieces of DDR propaganda in Berlin.

A monument to the man who almost killed Hitler.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A museum specifically dedicated to the Trabant, one of the iconic automobiles of the GDR.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

This hidden art nouveau gem was designed by an architect in search of a national style.

Memorial to the Titanic engineers that died working to hold back the sea.

These ornate arches show how the course of the River Thames has changed.

A hands-off space for graffiti artists to hone and display their skills.

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

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

The metal leaves on this tree are engraved with the names of Holocaust victims.

This sculpture honors the man who was known as the "Righteous Among the Nations."

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

This building has survived for more than a century and remains virtually untouched.