A wall of chewing gum moonlights as collective art.

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

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Inside this museum, the history of the Walt Disney Family empire is on full display.

A man-made island in scenic San Francisco Bay.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

This private residence was the template for one of the most beloved television homes of all time.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This ancient Hawaiian henge may have been an early star chart.

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

Race through the maze, get your name on the sign.

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

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A strange house built only at night, with rumored mystic inspiration.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A remote crossroads honoring a fallen talent.

Art Deco stylings conceal the true nature of this bridge.

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

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