Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

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

Step back in time while shopping inside this local store.

This simple home was the beginning of a long journey for the iconic Western film star.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A stealthy Apache hideaway that became the haunting site of a mass grave.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

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

More than a century old, this trading post resides in the Navajo Nation.

A mysterious spirit totem at the edge of Navajo lands.

This balancing rock is one of Utah's most unusual geological formations.

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 Wild West jailhouse that slid down the mountainside.

A kaleidoscope gallery and steampunk emporium named for a pioneering journalist.

A beautiful piece of history in a very remote area that allowed ranchers to move their herds.

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

A maze-like landscape of globular rocks surrounding two Arizona lakes.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

Perhaps the world's only gas station inspired by a political scandal.

Over 75 historically themed murals grace the walls of a small Washington city.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.