Geology

A showcase of geologic history is home to one of the largest collection of lunar meteorites on Earth.

An untouched lava tube accessible to the adventurers.

This building, previously used as a courthouse, has an unusual geological feature in its basement.

One of Indonesia's tallest, this waterfall takes a 390-foot plunge into the Lake Toba caldera.

This beach provides a glimpse of the ancient seafloor without getting wet.

Apparently, Hell has waterfalls in Slovenia.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

A spectacular but little-known slot canyon in extreme northern Nevada, with sheer walls nearly 500 feet high and a perennial stream.

A stunning blue-green lake located in the Terskey Alatau mountain range.

On October 26, 1963, a 12-kiloton nuclear device was detonated here in granite some 1,211 feet below the ground surface.

In one of the hottest parts of the Mojave Desert, shallow bedrock forces the typically dry Mojave River to the surface in this canyon, providing a vital oasis for humans and wildlife.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.