Climb to the top of its spiral spire for spectacular views of Copenhagen.

This ordinary street was made infamous by a legendary visit from the devil.

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

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

This antique thermometer honors the creator of the first universal temperature scale.

During the renovation of this bas-relief, the constructors added one unusual element.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

The site of the first battle of World War II.

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

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

One of the world's largest amber altarpieces is housed within this reconstructed medieval church.

Modern art commemorates one of the first military actions of World War II.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

This 13th century Gothic brick castle is the largest in the world by surface area.

Started as a kitchen garden, now the second largest botanical garden in the world.

Blending modern art with Baroque architecture, this wondrous mosaic grotto serves as the late artist's final creation.

Striking occult iconography on a medieval German church.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

A bronze statue of Momo, a girl holding a huge ear, sits waiting to listen to anyone who needs it.

This gilded emblem was once stolen by a Cookie Monster impostor, who demanded a charitable ransom for its return.