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Tours to active volcanoes Watching a volcanic eruption is one of the most impressive natural displays. We have a wide selection of tours to active volcanoes worldwide at different activity and difficulty levels.
Photo Expeditions & Photography Tours We offer you a fine selection of photo tours to exceptional places guided by experienced photographers. These tours are ideal if you are interested in learning or improving photography or, if you are an experienced photographer yourself, to get to the best locations at the best times.
Pearl of the Aegean Santorini is one of the most beautiful islands in the world, famous for its breathtaking sea-filled caldera and picturesque villages. Discover its fascinating natural and cultural history on a relaxed walking study tour with us.
Introduction to Plate Tectonics The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
Nyiragongo volcano photos Nyiragongo (DR Congo) has the world's largest and most active lava lake. Enjoy our pictures taken during several expeditions over the past years.