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

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

Mining town from the late 1890s, once home to Calamity Jane.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The longest continuous lava tube in Oregon.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A massive sea stack famous for its appearance in The Goonies.

Hollowed out cedar log tubs set in an ancient towering forest.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

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

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A whimsical village of unique treehouses resides in a Washington forest.

The illuminated falls are a gem in North Cascades National Park.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A miraculous natural phenomenon known as "the spring that breathes."

Native Americans built this circle of stones, which was used to predict astronomical events.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.