A giant donut stands as a popular symbol of Los Angeles iconography.

Sports history, made in the Arroyo Seco.

The legendary building that needed ghostly approval before being built.

This historic tower in the California desert promises visitors a "vortex of good vibes".

A world-class observatory in the California desert.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Experience a charming 1930's version of "infotainment."

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

This golf ball–shaped former desert real estate office now houses a UFO museum.

What is the Thing?

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

This cave holds a surprisingly colorful variety of geological oddities.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

This historic hotel invented the chocolate brownie.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Beloved bar home to musicians of all eras and reputations.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A science teacher's dream.