In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Concrete strongholds stand guard over the Golden Gate.

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

A beautiful geyser under environmental threat.

Commonly referred to as the most photographed Victorian home in the United States.

The only road through the heart of Glacier National Park.

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

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

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Only known mainland rookery of the threatened Stellar sea lion.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Portlandia is the second-largest copper repoussé statue in the United States.

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

A Roman-style column in Oregon hides a spiral staircase inside.

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

Stroll through a wonderland of stupendous moss-covered trees.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

One of the most spectacular canyons in the world.