Mount Roraima, Venezuela
Photo: Wemailrr, CC BY-SA 3.0 via Wikimedia Commons
Colorful (cold) water pools.
© OpenStreetMap contributors
A few giant cracks in the rock/plateau.
a large, 10-m diameter sink hole that extends into a small underground cave that has been hollowed out of Roraima's black rock by thousands of years of constant rain.
