This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

It may take some time to locate, but it's sure to warm even a heart of stone.

A curiosity-seeker's paradise set inside a three-story historic school house.

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

Discovered by a soldier during the Revolutionary War, these springs helped create an iconic South Carolina ginger ale.

A dramatically eroding canyon thousands of miles from the desert.

This quirky local sculpture is quite literally a fish out of water.

The remnants of a creative early method of wildfire prevention.

A heartwarming message to those entering and departing Music City from above.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This Old West prison built into the side of a cliff was said to be inescapable.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

This fireplace-turned-monument pays tribute to the assassinated U.S. president.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

This sidewalk tribute honors Colorado's great culinary creation.

A fruit-loving town welcomes visitors with a giant melon set against the sky.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

In the middle of a remote desert town is a surprisingly opulent hotel.

A curious cone-shaped structure made of wire and covered with antlers.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.