Nature in the United States

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

Ten acres of the Kula Forest Reserve make up this wondrous state park.

This collection of ferns from across the globe is the largest assortment in the United States.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

This conservation area is also home to many of the region's desert tortoises.

This massive sycamore tree has been labeled as one of the largest in the state.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The San Andreas Fault spectacularly offsets this creek.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

This giant rock arrived at this quiet park thousands of years ago on the back of a massive glacier.

This unassuming layer of clay boasts an out-of-this-world origin story.