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

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

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

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

What is the Thing?

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The most accurate timepiece in the world.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

The United States Capitol's former columns still stand.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

An experimental, automotive replica of Stonehenge.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

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