livescience.com

Towering 'sponge' dome in Brazil is the secret source of nearby hot springs — Earth from space | Live Science

A 2025 satellite photo shows the Caldas Novas dome, a 12-mile-long monolith that towers above the Brazilian state of Goiás. The structure acts as a giant sponge, soaking up water that helps fuel nearby hot springs.

If the page stays blank, open it in a new tab. Your Weird rating still works from the top bar.

Open source