= spaces available= guaranteed= few spaces left= booked out
Search for photos:
Enter keywords to search our photo archive. Hints: You can use " " to find exact matches or group words. You can prefix words using logical operators AND / + (default), OR, or NOT / - to refine your search results.
Divergent plate boundaries in oceans Two ocean plates move apart from each other. Hot upwelling mantle material forms magmas that continuously produce new oceanic crust. An ocean widens.
Land of Theseus The Saronic Gulf opposite Athens is one of the most beautiful and interesting areas of Greece, full of beautiful landscapes, small towns, islands, archeological remains and one of Europe's least known active volcanic areas. Join us on a relaxing tour to discover this fascinating area!
Volcano & eruption special tours Tours dedicated to usually a single volcano currently in eruption. These trip, sometimes offered only last-minute through our newsletter, are among the most adventurous and most popular in our program.