This too-low North Carolina railroad trestle is still a notorious big rig executioner.

A library where thousands of books explain how to avoid another Great Recession.

This institution celebrates the happy accidents of uncommon sticktoitiveness.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

This site is both a remarkable reminder of the town's mining history and a fantastic government blooper.

A misunderstanding gave this 18th-century racehorse a most amusing name.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Housed in the university planetarium, the thousand-strong collection of tiny towelettes includes a used one from the hosts of Car Talk.