Hundreds of drawings left by the land's previous inhabitants remain mysterious.

A tunnel with windows, so you don't miss out on the impressive views.

The fifth-longest natural arch in the world, and the longest outside China.

A replica that won't float away.

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

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

A house carved into a rock in the 1940s.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.

Georgia’s last drive-in movie theater is a relic of a bygone era.

America's second-oldest brick baseball stadium was home to a legendary WWII series that only sailors got to see.

This old-fashioned carhop restaurant gave the world the waffle cone.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

An annual celebration of the region's successful elk reintroduction program.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

The site of the climactic scene from the classic horror film is now a historic landmark.

The largest riverfront opening cave in the Ozarks.

The iconic remains of the original Academic Hall that burned down in 1892.

Nestled in Onondaga State Park, over 100 canoes carefully stacked in a replica of the famous standing stones.

Away from the crowds of fishing enthusiasts, take a hike deep into the woods and journey into an eerie darkness.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.