A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

One of the largest underground systems runs under Canada's largest urban center.

A wall of chewing gum moonlights as collective art.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Golden Gate Park's historic collection of plants.

This shop specializes in oddities and Victorian-inspired wonders.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

Fake rail crossings mark the site of an influential doctor's demise.

This remarkably simple jail went over a century without an escape.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

The first safe in this California town had to hold all the gold.

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

Oldest building in California still in use.