This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

Experience a charming 1930's version of "infotainment."

An homage to everyone's favorite prehistoric cartoon family.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

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

The largest and most well-preserved petroglyph site in the Verde Valley.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This historic national park is covered in the stunning ruins of red rock pueblos.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

A mysterious spirit totem at the edge of Navajo lands.

More than a century old, this trading post resides in the Navajo Nation.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

Paris' linguistic guide to the international language of, yes, love.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

This massive library holds what was once the largest book collection in the world.