America's most famous piece of self-built architecture.

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

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

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

One of the last surviving buildings of a once large and thriving Chinatown.

An alley covered with 20 years of bubble gum.

This little gem of Spanish Colonial architecture has been abandoned since the 1950s.

The final resting place of one of Hollywood’s most prolific and talented actors is on the grounds of a California Mission.

Large but largely ignored, these 42 life-size Liberty Bell replicas were a peculiar, unexplained feature on the facade of a Macy's department store.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

This stately structure has been abandoned for half a century.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

A bomb shelter and some fireplaces are all that remain of the house Fred Roberts tried so hard to keep standing.

The stone walls of a home built to withstand a California wildfire still stand after more than a century.

Space program, pneumatics and more, bits and pieces, for movie sets or the common man.

An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."

The ruins of the movie ranch owned by actor and stuntman Ray "Crash" Corrigan.

The beloved dining spot stands at the cross-section of Hollywood and the Old West.

A strange mishmash of ruins and abandoned structures hint at the park's many lives.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

Breathtaking and huge 430 year old maps of Italy.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

An ancient Roman temple first dedicated to an emperor's wife is now a church.