The largest drain hole in the world.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

A mesmerizing disco ball-like sculpture along the Sacramento River Walk.

The capitol city's oldest existing cemetery.

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

The last of a gourmet supermarket chain, this store helped spark California's Food Revolution.

This former boomtown "island" is now submerged below Folsom Lake.

Dentist's hated concrete colossi are now beloved icons of the community.

I Street Bridge is the heaviest swinging center bridge in the United States.

Art Deco stylings conceal the true nature of this bridge.

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

A replica of the first public theater built in California.

At this 1940s-era neighborhood favorite, you can still drink a cherry phosphate.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Where the writer penned his famous story about a jumping frog.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

A museum dedicated to an incredible woman who founded a pioneering school for rural Black students.

Eighteenth century house of the mysterious "Father of Raleigh."