Just a man taking his prehistoric pet for a stroll.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A museum, walk-through diorama, and library nestled under one castle-like roof.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

A fitting attraction for the corn capital of the world.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

San Francisco's first World's Fair, dedicated to the wonders of California.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

The remains of a ruined mansion memorialize the 1906 earthquake.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Furniture tries to escape an abandoned building in San Francisco.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

San Francisco’s century-old Christmas Tree.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

A hidden subterranean installation offers a view of the sky.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

Early prototype for Frank Lloyd Wright's Guggenheim.

This turn of the century masterpiece has a mysterious goaty interloper.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.