Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

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

This unique architectural wonder is home to luxury apartments.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

This Danish art forest places loud works of contemporary art among the pensive silence of nature.

This huge industrial sculpture looks like a UFO and a factory had a baby.

Six beautiful wooden giants are hidden around Copenhagen.

A spiralling hourglass-shaped tower rises from the forests in Denmark.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

This natural "sea of stones" was once used by the Romans as a quarry.

This magnificent church allows travelers along one of Germany's busiest roadways a chance to rest and reflect.

A series of haunting wooden totems are hidden in the woods surrounding a German environmental center.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

These quaint French houses dangle precariously over a precipice.

This ancient theater was once the home of fierce gladiatorial battles.

700 iron sculptures crammed into a Mediterranean park.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Medieval irrigation channels built into the sides of mountains provided Valais with water for hundreds of years.

The largest underground lake in Europe.