This small, unassuming street is now a canvas for color and creativity.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

A mysterious "wedding cake" castle in the middle of the urban desert.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A self-built castle made by a mysterious man.

A series of labyrinths in the Nevada desert inspire meditation and calmness.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

Museum with an extensive collection of Cray supercomputers and related artifacts.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

One of Frank Lloyd Wright's final works was this UFO church.

Early prototype for Frank Lloyd Wright's Guggenheim.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

History is hiding at the Morean Center for Clay.

A luxuriant botanical garden below sea level.