The ruins of this Alaska gold mine form a gorgeous ghost town.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

An ode to one of the first concerts broadcast via satellite.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

This legendary urban waterfall creates a dazzling display of rainbows.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Watch the newest land on the planet form before your eyes.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

The second-largest giant sequoia in the world.

A miniature train theme park, free to the public, laying at the base of the Santa Monica Mountains.

Two groundbreaking brothers from Pasadena.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

This conservation area is also home to many of the region's desert tortoises.

The Giant Lemon of Lemon Grove.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

North America's largest accredited model railroad museum.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

The remains of a 12th-century chapter house in Golden Gate Park.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.