A community gathering place that once housed half-ton tanks and the World's Fair.

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

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The only visible piece of San Francisco's most famous shipwreck.

Once the fastest ship from San Francisco to Tahiti, the Galilee now lays in pieces in three different cities.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The stone sculpture of an Ottoman soldier is an homage to a lost Providence landmark.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

Rumors of the occult haunt this upscale 1920s hotel.

I Street Bridge is the heaviest swinging center bridge in the United States.

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

Art Deco stylings conceal the true nature of this bridge.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

The California capital city once stood 10 feet lower than it does today.

A replica of the first public theater built in California.

This restored house is like a time capsule of the president's unconventional inauguration.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

Deep into the lower floors of Pike Place, find a date with fowl fate.