This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

Built in 1869, this one-room rural schoolhouse welcomes visitors to travel back to 1904 school day.

Lone survivor from Custer's Last Stand forever preserved.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

A Jurassic artscape composed of transmission casings and other mechanical parts.

This artsy public restroom is shaped like a giant john.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Curious rock formations in a tiny Kansas state park.

A unique blue and yellow phone booth in America's "Little Sweden."

This historic early-20th-century building still boasts some of its original features.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

The first "Hut" was actually a small brick building.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

The largest mural in the world painted by a single artist.

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

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Home to Hollywood history and a very special salt crystal.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Historic Hull Street was actually the first street with a proper name in the Boston area.

The site of Paul Revere's historic two lantern warning.

Shelves covered in dozens of coffee bean varieties fill this North End institution.