Ancient human remains unearthed around the iconic monument.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

The highest bridge in America was built for an almost unnervingly small amount of money.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

A popular rock that acted as a waymarker for American pioneers.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.

The world's largest sticker ball weighs in at a mighty 231 pounds.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

When ecosystems collide in the arid Southwest.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The only retired U.S. nuclear missile silo that is open to the public.

A small Wyoming town is home to the state's oldest-operating soda fountain.