A bust of the entertainer and politician sits in an alcove at the Palm Springs Airport.

A living time capsule of the 1960s Richardson Bay water-front.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

This general store offers visitors a glimpse back into the 1930s.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

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

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

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

A miniature view of the park, caught in time.

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

Once the largest windmill outside of Holland, with enormous 114 foot sails.

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

Bits and pieces from the ill-fated Donner Party's winter cabins.

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

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

This abandoned factory on the Hudson River once churned out a million bricks a week.

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Read a book next to a Midtown waterfall.

An artist's cute bronze subway sculptures belie his violent artistic past.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

The official peace statue of the Commonwealth of Massachusetts.