Zipline through the deepest canyon in the eastern United States.

With roots dating back to 1942, this retro diner was where Hank Williams is said to have uttered his last words.

Country fans may flock to Nashville's music scene, but this Appalachian town is where the genre was born.

The alley connecting two of country music’s most historic venues has a rich history of its own.

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

Jack White's record store is the only place in the world that records live shows direct-to-acetate.

Massive still life just off the highway in Kansas.

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

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

See massive fossils that are over 200 million years old in northeastern Arizona.

Ancient pueblos built into the base of a natural canyon wall.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

An exotic wildlife habitat right off The Strip.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

The unusual patterns in this rock formation result from two distinct modes of weathering.

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

Home to a timed geyser created by complete accident.

The first declared National Monument in the United States.

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

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

A fitting attraction for the corn capital of the world.

America's first National Historic Landmark is a 100-foot tall obelisk and gravesite dedicated to the only casualty of the Lewis & Clark Expedition.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.