* Mount Kilimanjaro (Tanzania): The highest mountain in Africa, Kilimanjaro is a stratovolcano with three distinct volcanic cones. While it last erupted thousands of years ago, it's considered dormant and could potentially erupt again.

* Mount Fuji (Japan): This iconic peak is a stratovolcano known for its symmetrical cone shape. It last erupted in 1707, but scientists believe it could erupt again in the future.

* Mount Vesuvius (Italy): This volcano is famous for its devastating eruption that buried Pompeii and Herculaneum in 79 AD. Though it has been dormant for centuries, it's still considered active and a threat to the surrounding area.