A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

This unique architectural wonder is home to luxury apartments.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

An art installation composed of items left behind by beachgoers.

The Lund University's former gym houses a museum focusing on the creative process of art.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

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

An exhibition of preserved locomotives housed in a 1950s depot shows the history of Denmark's railway.

This museum is a portal to 20th-century Denmark.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

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

Regency-era excess on the English Coast.

A flock of peculiar-colored sheep graze in this small Swedish town.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

A colossal strolling Pinocchio that was greeted with more outrage than whimsy.

These miniature works of art are hiding in plain sight on buildings around the city.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

A concrete mushroom that divided Stockholm residents for nearly a century.

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

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

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The world's largest model of our planetary system.

The 19th-century home of Count and Countess von Hallwyl is now a museum.