From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

The world's first and only museum dedicated to dachshunds.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

Hidden in plain sight on a gable between two towers on the roof of shipping firm F. Laeisz' headquarter in Hamburg sits an unexpected bronze sculpture.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

A quirky, larger than life sculpture on an old bunker pays tribute to an eccentric carnival entertainer.

This aged paving stone, marked by a maiden's foot imprint and the tales of her plunge from the cathedral tower, serves as a memorial to a tragic local legend.

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

A medieval village, with red wooden cottages around a stone church, stands as a well-preserved example of a settlement type that was once common in northern Sweden.

Several 12th-century ruins can be found inside this historical market.

Inaugurated three times, this tower offers some of the best views of Madrid.

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

An architectural marvel that combines Gothic architecture with Indian elements.

Singapore's oldest Hindu temple.

Rainbow shutters decorate this former police station.

Arguably Belgrade's only example of pure Art Deco architecture.

Liechtenstein's royal family calls this medieval alpine castle home.

A haven for book enthusiasts across the street from Retiro Park.

A tiny chapel and burial site lurk underground in Jajce.