This former coal gasification plant found a curious second life as a popular public park.

A wall of chewing gum moonlights as collective art.

An extraordinary mixture of natural beauty and man-made phenomena.

A giant Troll lurks under one of Seattle's oldest bridges.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

An urban laboratory.

See massive fossils that are over 200 million years old in northeastern Arizona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A controversial memorial at the place where Captain Cook met his violent end.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

A stunning architectural yet functional feat, towering over Oslo.

An impressive museum dedicated to the resource that made the Scandinavian country rich.

A former factory now pays tribute to a local industry fueled by sardines.

Norway's oldest cathedral still in use.

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

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

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.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

The haunting beauty of this little-visited wreck makes it a true hidden treasure.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.