As the glaciers retreated out of northern Wisconsin, this unique natural wonder was crafted.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

A mysterious spirit totem at the edge of Navajo lands.

The cinder cone volcano with a less than complimentary name.

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

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

Rippling sand dunes frozen in the Arizona rock.

The rocks in this arid basin leave trails of movement behind them.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Deep vertical fissures like miniature slot canyons cut across the cemented volcanic rock of Black Point above Mono Lake.

A carnivorous plant paradise in a serpentine bog.

Shoreline strewn with the remains of ghostly fallen trees.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

The first declared National Monument in the United States.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

Just a man taking his prehistoric pet for a stroll.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.