After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

America's only nuclear missile silo open to the public.

At this research institute, the chile is king.

The highest point in Texas is capped by a big silver pyramid.

The Grand Canyon of Texas.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The only nuclear weapon assembly and disassembly plant in the U.S.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

Come for the fried chicken, stay for the history at Oklahoma's oldest bar.

No matter what the plaque under this massive legume says, this is not the world's largest peanut.

In Paris, Texas, even Jesus wears cowboy boots.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

A museum dedicated to the lovable crime couple Bonnie & Clyde, just a few miles away from the site of their early demise.

The only international border marker within the United States.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

Beauty and history abound in this remote West Texas canyon.

A spur fit for a giant sits just off Highway 281 in Texas.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

A 131-year-old wunderkammer of Texas history.

The 40-foot-tall votive candle is the largest of its kind.

These boots are made for selfies.