World's second largest particle accelerator, where nature reveals its secrets.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A hollow cement depiction of time's inexorable effect on the human body.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The history and future of cannabis.

Museum preserving torture methods from the past.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

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

The world's first and only escalator for lazy bicycles and their daunted riders.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This stunning concert hall has become a symbol of Iceland's national recovery.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.