One of the largest trees of its kind in California.

An inconspicuous footbridge beloved by San Diego locals.

One of the best examples of Art Deco architecture in the United States.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

These unusual rooms on wheels are holdovers from the 1960s.

It reportedly took three years to sort through all the objects in this eclectic lifelong collection.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

A pair of disused Los Angeles electrical poles now glow with delicate windows into the past.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Visitors to this library are in for a real-world education in modernist architecture.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

10,000 flowered plants bloom in the City of Roses.

A half-size replica of the World Trade Center towers above Tulsa.

Thousands of small machines line the shelves of this personal collection which definitely delivers on its name.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

An adorably sweet display of sculpted Precious Moments figurines.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.