Two very green residential towers cleaning the air in one of Europe's most polluted cities.

A pair of connected skyscrapers form this symbolic gateway.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The only museum with its curator—and her pets—buried inside.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The celebrated eyesore created by starry-eyed sweethearts.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Hamburgers are intensely proud of their tunnel beneath the river.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The oldest continuously operating pharmacy in Europe.

The Guardian of Tallinn.

The ruins of this once gorgeous medieval church are still standing, despite the region's constant flooding.

This Italian ski resort rose to fame when Benito Mussolini was held prisoner there and then rescued by the SS.

Ever loyal to Roma, the small village of Albe in the Abruzzo region carried on until an earthquake did it in.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

An alien church provides much needed silence in the midst of a Finland shopping center.

A subterranean house of worship carved right out of the bedrock.

The marshy karst plain has reclaimed this beautiful 17th-century church.