“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Buy a token from the liquor store and you can make this beast spew flames on command.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This ceremonial mound is one of the first officially recognized Native American historical sites in North Carolina.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

The only Florida state park with publicly accessible caves.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.