A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

Three hundred years of preserved Spanish colonial history in San Antonio.

These boots are made for selfies.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

A fitting attraction for the corn capital of the world.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Only place outside China and India where two overhead DC power lines cross.

This sky-high radio mast is formerly the tallest man-made structure in the world.

The world's largest Holstein cow.

Three legendary, living albino buffalo roaming their pastures for all to see.

A true roadside icon standing on the same plains that the herds once roamed.

Every week, a festive public jam session breaks out in downtown Asheville.

A Christian-themed amusement park and complex rocked by scandals.

You thought Santa Claus didn't exist, but it turns out you were wrong.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The highest bridge in America was built for an almost unnervingly small amount of money.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Journey up the capitol building's cupola for an amazing view of Topeka.

A museum chronicling pioneer life constructed over Interstate 80.