A plaque and memorabilia collection mark where A&W got its start.

More than 700 species live within this murky marvel of a swamp on California's coast.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

A giant chess set, minus the psychedelic drug trip.

This giant temperature attraction created some giant electric bills.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

At this deceptively beautiful beach, nothing is what it seems.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Here, visitors can swing with the waves of the Pacific Ocean.

This odd California folly seems like it was almost designed to accumulate urban legends.

340 bicycles, 65 feet high.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

One woman's Viking Castle on Lake Tahoe.

A man-made island in scenic San Francisco Bay.

A large instrument played by the wind.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

This print shop boasts one of the largest pinball arcades in San Francisco.

The largest permanent Monopoly board makes one of the longest games even bigger.

Visible below the waves are memorials to the city's Gold Rush dead.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.