Three bridges and one giant canyon make up this fantastic Spanish settlement.

Submerged lava formations create incredible waterworks.

This unusual lava tube spouts seawater during high surf.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Watch the newest land on the planet form before your eyes.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

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

"Only the devil could play golf here."

Huge otherworldly domed rocks on the shore of a deadly lake.

Burping, gurgling geothermal mud pots by the Salton Sea.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The drama of nature in full effect in this Nevada State Park.

Home to the deepest rift anywhere on Earth.

A geological mystery on Camelback Mountain.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Iconic rock formations that allow for exploration during high or low tide.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This quiet park's strange sedimentary spires were named after Kodak's color film.