The highest point in Washington state is a volcano covered in glaciers.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Sloth rehabilitation center in the jungle of Costa Rica.

A massive underwater sinkhole made famous by Jacques Cousteau.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A sleepy little town that had the greatest landslide in North American history fall on it.

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

Historic site where Native American hunters once trapped and killed buffalo.

A sacred lake composed of over 300 separate pools of highly concentrated minerals.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

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

One of the smallest towns in the United States.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A massive sea stack famous for its appearance in The Goonies.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

Stroll through a wonderland of stupendous moss-covered trees.

Granting the right of way to ships over surface traffic since 1917.

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

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

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

A wall of chewing gum moonlights as collective art.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.