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

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

Four alabaster giants contemplate the tides on the shore of Denmark.

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.

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

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

A fantastic castle rumored to be the birthplace of King Arthur.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

The largest greenhouse in the world is home to over one million types of plants.

400-year-old garden, restored to beauty.

An ancient hotspot for spotting schools of fish.

A open air theatre built on a cliff by an eccentric British woman.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A rampant horde of demons smirk and snarl at visitors to this church, home to a rare complete set of medieval-era stained glass windows.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

The ruins of a 12th-century Cistercian monastery can be found alongside World War II tank traps and pillboxes.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

Double spiral staircases are not unheard of, but they are very rare.

Site of the 1889 murder-suicide of crown prince Rudolf and his lover Mary Vetsera.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.