The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

Atop this former dutch railway office sits an interstellar work of art.

This artistic fountain display pays homage to this area's theatrical history.

A futuristic rocket marks the spot where three borders meet.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

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.

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

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

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

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

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

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Four giant movable street lights decorate this modern Rotterdam square.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

An amazing collection of rare wind instruments where visitors can give the iconic Swiss Alphorn a toot.

The bears of Bern have been a city highlight for over 500 years.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.