The site of the house Jack Parsons made famous both in life and death.

A Community Cornerstone.

Home of the "Father of Forestry."

A newspaper building that made radio history.

One of Hollywood’s favorite government buildings.

Two groundbreaking brothers from Pasadena.

This former stomping grounds of the most eminent astronomers of the early 20th century.

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

A surreal, Gaudi-inspired play space near an Anaheim community center.

One of Los Angeles's first murals once vibrantly depicted the dangers of United States imperialism.

A relief that wraps around the concourse of Los Angeles's World Trade Center marks one of the city's failed urban design plans.

The creator of the carousel's bingo-pinball hybrid survives in California's oldest gaming establishment.

The 10-foot-wide Long Beach home was built on a dare.

A small sculpture garden that provides a microcosmic representation of California.

This enormous World War II relic is one of the largest wooden structures in the world.

Known as the "Hobbit Houses," these storybook homes look like they're straight out of the Shire.

An abandoned 1930s gas station turned bustling neighborhood park.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

Ancient pueblos built into the base of a natural canyon wall.

A museum devoted entirely to the rattlesnakes and snake-related art.

A sculpture of a flying hawk made from colorful car doors.