Memorializing an American tragedy of massive proportions.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

This popular pitstop lives up to its name.

Home to items never before seen by the public.

The world's largest piece of copyrighted artwork.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

The quiet canyon has a tumultuous history involving a doomsday cult.

This kitschy tavern is also home to rare early editions of "Treasure Island."

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

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

In which a local geological marvel becomes a quaint roadside attraction.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

The ghost town that ended up on Ebay.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

This historic patch of real estate offers a glimpse of colonial Boston.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

The largest source of fossilized insects anywhere.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.