Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Moonbows over Kentucky.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

This mysterious hill seems to pull objects uphill.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

Symbolic attempt to overcome the issues of life.

The world's longest known cave system.