This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

A river runs through this remote valley in a very unexpected way.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

An abandoned coal mine reached by a steep hike.

The magic's in the hole!

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

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

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

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

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

Limestone caves with spectacular showcase chambers.

When life gives you Prohibition, open a bar in Juárez.

Inaugurated in 1921, this is one of many statues in France dedicated to the people who died during World War I for their country.