These lush groves of fan palms rise up like oases out of southern California's Colorado Desert.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

An off-grid art installation that encourages its visitors to imagine a world without waste.

A hand-built folk art installation covered with messages of God's love.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

This stately Victorian-era burial ground overlooking the Pacific Ocean is home to the graves of some of British Columbia's most famous figures.

The remains of Canada's earliest Chinese pioneers are interred along this picturesque point.

The longest continuous lava tube in Oregon.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Canada’s surprisingly controversial monument to Dwight Eisenhower.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

This natural wonder is disappearing at an alarming rate.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

Fossils, railroads, and waterfalls!

This castle was once considered as an option for the Royal Family's alternate residence, but you may know it better from the 'X-Men' movie.

A spiritual vortex among the red rocks in Sedona.

A huge, bustling local market in Panama City.

An important Mayan religious and trading center dating back to 200 BC.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.