This natural hill rose another 130 feet from the debris and rubble added after World War II.

The remains of an entire Roman city can be explored in this interactive museum.

This castle played host to the largest great hall found in medieval Central Europe.

An industrial site turned into Hungary's most cherished natural wonder.

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

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

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

The place to be if you love vintage Swedish cars.

A Very Low Frequency transmitter you can tune in on your PC.

One of the longest footbridges in Europe.

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.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

This chimerical bridge/tunnel appears to dead end right into the sea.

An art installation composed of items left behind by beachgoers.

The world's only above water sand volcano, believed to once be the bathtub of a priest.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

Sweden's southernmost point is located in this charming fishing village.

This statue standing near Sweden's southernmost point was based on the grandmother of a modern movie star.

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

This Scandinavian island is the site of the first modern observatory.

A memorial to a Swedish hockey player's "encounter" with aliens.

Old Danish castle immortalized in Shakespeare's Hamlet.