This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

The southernmost outpost of the Russian Empire in colonial America.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

Colorful Native American paintings are hidden within this small cavern.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

When flour explodes, it's not a pretty sight.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A bigger-than-life pun that has become a beacon of altruism.

A deserted hodgepodge of experimental structures designed by nearby university students.

Sports history, made in the Arroyo Seco.

The American Home, Re-imagined.

One of Hollywood’s favorite government buildings.

The unbelievably opulent home built for an infamous newspaperman.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

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

A stellar example of Art & Crafts architecture, and a movie set to boot.

The ghostly remains of an accidental sea.

Quite simply the largest tree in the world (by volume).

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

A classically inspired temple in Redwood City.

The Flatiron Building's storied West Coast cousin is a lot more into religion.