This platform is now a memorial dedicated to those who were deported during the Holocaust.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Cold war icon and onetime "hole" in the iron curtain.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Pilgrimage site for star-crossed lovers.

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

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

Abandoned village in Sicily built during the agricultural reforms of Mussolini.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Inside the Šomoška National Nature Reserve exists a unique rock formation rarely seen in the world.

This massive underground salt mine now holds a sci-fi theme park in its depths.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This castle played host to the largest great hall found in medieval Central Europe.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

This artificial archipelago was supposed to resemble a map of the world.

A unique museum dedicated to culture and artistry of carpet weaving.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.