This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

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

A beautiful geyser under environmental threat.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

This old residential building was once the largest flour mill in the world.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

One of two giant blue cockerel statues erected with an intentional double meaning.

The only arched bridge made of stone on the entire Mississippi River.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

When flour explodes, it's not a pretty sight.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

20,000 pieces in a Frank Gehry-designed building.

The only road through the heart of Glacier National Park.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

This 18-foot-tall public art installation is another of sculptor Thomas Dambo's trolls.

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

This working class sculpture pounds his hammer all the livelong day.

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

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

A wall of chewing gum moonlights as collective art.

A colorful architectural gem in Seattle’s uniquely modern Central Library.

A walk through the historic city center, under the streets of Seattle.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.