The secret city built by the Manhattan Project.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

With the touch of a button, you can read a randomly selected short story.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

In this century-old literary safehouse, print is alive and well.

Tiki luxury on Nob Hill.

A winding path built in secret on the edge of the continent.

A huge musical instrument played by the ocean.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

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

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

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

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

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Along a California highway is a kind of Jurassic Park made of metal.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

This San Diego museum, housed in a former Navy training facility, is dedicated to preserving women’s historic achievements.

A couple turned their front yard into an artistic masterpiece.

An inconspicuous footbridge beloved by San Diego locals.