Natural Wonders

Once the smallest park in the national system.

These unique rock formations were created during the Ice Age.

Cooled, fractured lava formed this geometric rock feature.

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

Often referred to as the largest spring in America.

Harder layers in colorful sandstone weather out as prominent “fins" and even more intricate and bizarre shapes.

This lake sits on an estimated 4 million tons of salt.

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

An unexpected sinkhole in a desert flat within Gold Butte National Monument.

A natural sandstone bridge hidden in the Sewanee forest.

A beautiful red-faced slot canyon in northern New Mexico.

Named after an outlaw who used the basin as a hideout.

A volcanic cone that formed over 600 years ago.