This gate served as a small lock-up jail in the 14th century.

This modest relic, with rich history as a strategic fort through multiple eras.

A somber statue commemorating a Danish merfolk-tale.

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

Once a meeting point for great thinkers, and the midpoint of the country.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

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

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

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Hans Christian Andersen for the postmodern world.

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

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

One of Scandinavia's largest mosaics pays tribute to Danish art and science luminaries.

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

A beautiful bronze statue of the greatest fossil hunter of the 19th century.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

This astronomical clock is the second oldest in England.

Britain's only artificial surfing lake is nestled in the beautiful mountains of Wales.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Legends surrounding this megalithic tomb range from giants to a dwarf named Trollid.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

An oddly conical beacon perched atop beautiful Irish cliffs.

The unusual stilted beacon is the town's only active lighthouse.