This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

No one knows the origin of this small town’s unique name.

The World's Largest Bull.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

A devilishly named gorge that was a sign of salvation for many pioneers.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Ice cream stand, snack bar, and time capsule of milk conveyance.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

This memorial includes fragments from one of the greatest tragedies in United States history.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Nature's biggest mammal swims in landlocked Oklahoma.

When you can afford only half a road, you build only half a road.

Over 50 historic windmills whir away at this outdoor museum.

This unusually circular centenarian barn became a Route 66 icon.

Claims to be the "World's Highest Hill."

The oldest covered railroad bridge still standing in the United States.