Conjoined twins Daisy and Violet Hilton were stars of the vaudeville circuit.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The narrowest house in America is seven feet of pure spite.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

A treasure hunter's tiny bar, harboring celebrities since 1959.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A second generation sun-powered marvel lights up the night.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

One of two Southern California statues celebrating “The Duke,” this one towers over a Beverly Hills sidewalk.

This "synagogue" is not what it seems to be.

First LEED-certified gas station in the United States.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

A collection of anti-communist sculptures stands watch in the Mojave Desert.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

A small space-exploration exhibit hidden in a hotel.

Hundreds of trees made from glass bottles make up this forest on Route 66.

Built in the early 70s, the ruins of dinosaurs are all that remains of a man’s dream to build a free dinosaur themed mini golf course

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.