The oldest orange tree in California spawned a generation of citrus farmers.

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

San Francisco’s century-old Christmas Tree.

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

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

This municipal playground was co-created by the father of one of the most playful characters ever.

Where the writer penned his famous story about a jumping frog.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

Catch a glimpse of the elusive Peninsular bighorns right off of the desert freeway.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

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

This 38-year old fish became a casualty of changing trends.

This California tree is the single source of the state's entire orange industry.

A classic American barn that was the home of a classic American television star.

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.

Factory that once supported an entire company town of 350.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

One of the only known surviving coconut palm trees in the entire state.

Making Ice Cream Hip Since 2008.

Giant scissors seemingly stabbed into the side of a hair salon leave no question about the vocation of the owners.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.