Caves are fun to explore, and underground mines provide jobs for many people. But entering underground spaces has potentially deadly risks. Cave and Mine Surviv

Deserts are stark and beautiful, attracting hikers and other people seeking adventure. But spending time in a desert has potentially deadly risks. Desert Surviv

The ocean is vast and powerful, and many people enjoy sailing, fishing, and more on the open waters. But spending time on the ocean has potentially deadly risks

Polar regions are the world's most unpopulated areas and offer visitors vast expanses of beauty. But spending time in very cold regions has potentially deadly r

Rocky areas and mountains are breathtaking and attract hikers, rock climbers, cyclists, and other adventurers. But spending time in a rocky or mountainous area