Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

All that remains of Jacques Cousteau's 1960s underwater "village."

Huge otherworldly domed rocks on the shore of a deadly lake.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A few dilapidated structures are all that remain of this deserted former silver mining town.

A more chill but no less fascinating version of the famous ancient archeological site.

A giant open-air sculpture made of over 200 full-sized boats.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Formerly frequented by Hollywood stars and now open for tours.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A wunderkammer hidden on the top floor of the Hartford statehouse.

Eulogizing an unknown man's unusual demise.

A hidden gem of a saloon in the middle of a ghost town.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

During the rainy season, this temple is almost entirely submerged, accessible only by boat.

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

Along a California highway is a kind of Jurassic Park made of metal.

The final resting place of a space program monolith.

The legendary building that needed ghostly approval before being built.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.