A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A museum dedicated to the former country.

A pair of connected skyscrapers form this symbolic gateway.

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

Belgrade’s oldest restaurant has a rather unusual name.

This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.

A collection of noses tucked inside an art museum reveals how times have changed.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

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

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

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

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

The Guardian of Tallinn.

The oldest continuously operating pharmacy in Europe.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A unique sculpture calls the outside of this steakhouse home.

Rubbing the buttons along this statue's coat is considered good luck.

Where beautiful signs live on forever.