The United States Capitol's former columns still stand.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

Oldest building in California still in use.

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

A small medical museum with a recreated doctor's office.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

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

Mexican food and folk art.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The "lovely red Vega" of the legendary record-settling pilot.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

A haunting tribute to pioneering photographer Clover Adams.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”