A statue honors the children who fought Nazis in Poland.

The silly symbol for an underground protest group is now scattered around the city.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A spiralling hourglass-shaped tower rises from the forests in Denmark.

This unique architectural wonder is home to luxury apartments.

A model memorial to the original Odin Tower, the second highest tower in Europe before it was sabotaged by Danish Nazis.

Denmark's famous pseudo-hill.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

Remnants of the Nazis' occupation of Denmark linger along the sand.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

Nordic giants resurrected from the sea and restored to their former greatness.

Preserved "bog person" that is over 2,000 years old.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Iron Age "bog person" preserved for over 2,300 years.

Old Danish castle immortalized in Shakespeare's Hamlet.

A natural wonder in south Denmark.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

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

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

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