Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Browse through roughly 130,000 titles in the world's largest independent video rental store.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

Perhaps the most scandalous statue of America's first president.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

The show's fictional Korean medical camp was created in the Santa Monica hills.

The California capital city once stood 10 feet lower than it does today.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

Only hotel where you can legally launder money.

A hotel and restaurant serving as the mecca of kitsch.

The country music legend's grave is surrounded by Astroturf because fans kept plucking out the grass.

The United States Capitol's former columns still stand.

One of the last Jazz Age "Wonder Theaters" in New York City.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."