A local prank turned town icon.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

An ever-evolving wall of graffiti art off East Liberty Street.

These gardens recreate unique and endangered Michigan habitats.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Strange physical sensations and optical contradictions keep visitors coming back for more.

This secluded walking trail is a hidden gem of a Pittsburgh park.

One of the only memorials dedicated to journalists who died in combat.

This four-story steel sphere in Maryland was used to test biological weapons.

A tribute to a future time when gravity is conquered.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

The snowbirds here are circus sideshow performers.

The short-lived history of a new republic and British control in West Florida.

This sculpture is intended to reset a person’s creativity.

This massive home was constructed by one of the greatest conservationists in Colorado history.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

This sidewalk tribute honors Colorado's great culinary creation.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.