1. Mount Etna, Catania, Sicily, Italy

Europe’s tallest and most popular volcano is considered the home of the mythological god Hephaestus and a one-eyed monster called Cyclops. Etna is still active and spits ash, fire, and lava. The climb to the 10,922 ft. tall summit will take a full day, with the best time of year being anytime from April to November.

2. Mount Kilimanjaro, Tanzania

This dormant volcano and Africa’s highest mountain attracts over 35,000 visitors per year. It also isn’t very difficult to climb, which leads many amateur hikers to climb up to the 19,341 ft. tall peak. If you want to make the trek, the best time of year is during the dry season, which runs from late June to October and from late December to February. Mount Kilimanjaro, Tanzania