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

European castle ruins in an American state park are actually the product of death and grief.

Official museum, hall of fame, and repository of the Texas Rangers.

A memorial dedicated to the victims of the Columbine High School shootings.

This marker identifies the location where three states converge.

Victorian "Fancy Craft" Hair Wreaths and Relics.

A museum dedicated to the mysterious cryptid.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

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

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

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

When ecosystems collide in the arid Southwest.

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Crumbling hotel echoes with the sounds of the '30s.

"All Mountains - All The Time."

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

An overlooked memorial honoring the local Washington residents who died in World War I.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Recorded as the first person buried in Arlington Cemetery.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.