A home base for Judy Chicago, one of America's leading radical feminist artists.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

Albuquerque found the perfect use for tumbleweeds at Christmastime.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

A historic freight system that found the true gold rush is in tourism.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

The king of U.S. high points towers over every other peak on the continent.

Four-story concrete hotel never opened to customers.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

Considered by many to be one of the most dangerous highways in Alaska.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The Habsburgs' royal collections of art and wonders.

Designed as a reminder of one of the darkest moments in Austrian history.