This unusually circular centenarian barn became a Route 66 icon.

A quirky mishmash of Route 66 memorabilia and other throwbacks from the past.

The first declared National Monument in the United States.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A building so large that it has its own weather.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

This replica of the Greek structure is in the heart of Nashville.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

A safe place for the wild donkeys of a hot vacation destination.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This downtown Dallas art installation is always on the lookout.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

"We Seceded Where Others Failed."

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This candy-colored storybook village originated as a 19th-century Methodist campground.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Dine like an American revolutionary at Colonial Williamsburg.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.