A multimedia experience that chronicles the atrocities of racism.

San Francisco's newly reopened hands-on science museum.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This massive redwood tree has a hole in the base big enough to drive through.

The first declared National Monument in the United States.

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

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

The magic's in the hole!

A vinyl-lover's Shangri-La.

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

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

This former coal gasification plant found a curious second life as a popular public park.

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

A wall of chewing gum moonlights as collective art.

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

The first park built over a freeway is a brutalist masterwork.

The unusual burial monument of Arizona's first governor.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A spiritual vortex among the red rocks in Sedona.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."