Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

At this 1940s-era neighborhood favorite, you can still drink a cherry phosphate.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Old submarine parts have been converted into faux whale fins.

Pause for an afternoon fika with sublime Scandinavian cakes and pastries.

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

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

The longest and widest floating bridge in the world.

Meet me at the most confusing intersection in Seattle.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A beautiful final resting place for some of the noteworthy deceased.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A lion given to the prime minister somehow got stuffed and sent to Florida.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

A small oasis not far from downtown Moab.

The start of the group that straightened the teeth of a nation.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.