Costa rica What to do there; swimming with sea turtles Who does not like turtles - these beautiful creatures that are threatened with extinction and require our help. Looking for a place where you can not only relax, but also do something useful? Go to Tortuegro, Costa Rica, where in 1975 a National Park was established to protect the nesting of turtles, where they are also allowed to study and work with them for environmental purposes.