The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

An oil baron's wild paradise and the winner of an ill-fated air race.

A spur fit for a giant sits just off Highway 281 in Texas.

The tree is thought to be the oldest oak in Texas and was once crowned state champion for its monumental size.

On a dusty county road sit the ruins of a ghost town's abandoned church.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

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

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

This nearly abandoned town was once a thriving mining community until a series of fires.

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

The largest self-built castle in the U.S., six decades in the making.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

A larger-than-life monument to the overlooked women who braved Western expansion and broke down societal barriers.

The largest land animal skull ever discovered.

A registered historic landmark shrouded in unsettling local legends.

A quirky collection of old chairs fills a random vacant lot in suburban Texas.

This abandoned building made of petrified wood was once a hotspot for buying moonshine.