A working miniature city designed to teach kids about safety and presumably city planning.

The California capital city once stood 10 feet lower than it does today.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

See massive fossils that are over 200 million years old in northeastern Arizona.

This sanguine boulevard was named after a deadly cowboy bar fight.

A sprawling collection of over 106,000 toys from around the world.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A curious cone-shaped structure made of wire and covered with antlers.

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

The headquarters of a secretive order is also a beautifully-designed park.

An vast warehouse of everyday treasures in Berkeley, CA.

Oakland's beautiful monumental cemetery.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

Antiques by the Bay.

Dive bar built out of the remains of a whaling ship.

The newsstand that never closes its doors—well, almost never.