The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

148 feet long and in the middle of a verdant forest.

The highest point in Mississippi is a hilltop that was once used to bombard a nearby town with artillery.

This simple, broken column marks the final resting place of one of America's most famous explorers.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

An acoustic anomaly with a mysterious cause.

World's smallest skyscraper, the product of a remarkable con.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

Ghost town with a beer-drinking goat for mayor.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

Despite its name, this route in southern Utah offers a heavenly day trip.

The cliff and rock formations are made out of Sioux Quartzite.

An eclectic assortment of medieval architecture in a small Iowa town.

Home with Gothic windows featured in a famous painting.

The longest of the four remaining covered bridges in Missouri.

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