The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

The limestone composition of this spectacular arch makes it unique to the region.

A cosmic pit stop just beyond the notorious Area 51.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

These markers are used to document elevation changes around the famed dam.

Keen eyes can find the Disney influences throughout this treasure trove of a tiki bar.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

A homage to the King at the hotel where he revived his career.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

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

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The drama of nature in full effect in this Nevada State Park.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This classic Kansas City song reference is the place for anyone who wants to stand at the corner of 12th Street and Vine.

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.

This recently restored timepiece has stood all around Kansas City.

This giant green head remembers one of America's jazz giants.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.