A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

A famed artist's inspiring work of peace and tolerance.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

An air of mystery pervades this modern-day singing Stonehenge.

A natural wonder in south Denmark.

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

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

The world's first combination ski slope and power plant.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This sublime architectural marvel is a rare example of an expressionist church.

Danish observation tower designed to look like a giant beer bottle.

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

The castle used by the Danish Royal Family as a hunting retreat.

Just off the city’s central station hides a quaint lamp-lit alley into medieval Elsinore.

Old Danish castle immortalized in Shakespeare's Hamlet.

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

A Danish fisherman spent 25 years covering nearly every inch of his home with tens of thousands of shells as a gift to his wife.

A bold sculpture highlighting the stark inequality between Western affluence and developing world hardship.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

A walkable map of the world, made from soil and stone by one man.

At these downtown crossings, pedestrian lights show axe-wielding Vikings instead of the usual walking figures.

A massive bell inside a Danish library rings to announce the birth of a baby in the city.

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