A tunnel of hardened lava along Maui’s famous Road to Hana.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

A Wild West jailhouse that slid down the mountainside.

A spiritual vortex among the red rocks in Sedona.

Historic funicular railway, believed to be the shortest railroad in the world.

Resting place of Hollywood's immortals is also site of summer film screenings.

America's most famous piece of self-built architecture.

A collection of pianos and more guaranteed to delight anyone interested in music history.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Tiki luxury on Nob Hill.

Only hotel where you can legally launder money.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

A walk through the historic city center, under the streets of Seattle.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

Where the polar bear watches over everything, and every drink is a double.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.