In downtown Oslo, a menacing and terrifying relief clings to a church wall.

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

This floating sculpture of ice is a poignant reminder of nature's power.

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

This demon atop the Notre-Dame de Paris looks utterly bored.

This modest marker near Notre Dame identifies the very center of Paris.

Swedish skyscraper with a 90° twist.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

One man's fulfilled dream of living on an artificial island made of recycled plastic bottles.

An island graveyard with spectacular views of the Caribbean.

Beach instrument turned bed and breakfast.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

Few of the many visitors to this resort town know of its hidden Maya ruins.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

A record-breaking pool that uses computers to turn ocean water into cleaner, private swimming water.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

Constructed on the ruins of a convent, this tower saved countless lives.

Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.