ездить через границу туда-сюда(In the three decades since the end of the Cold War, Norwegians and Russians have become real neighbors here: Russian fishing vessels ported in Norway for repairs, while locals traveled back and forth across the border to shop, find work, and build friendships.time.comART Vancouver)
путешествовать по миру(The solar catamaran "Planet Solar", which is aiming to travel round the world on nothing but solar power, is somewhat more advanced.Andrey Truhachev)
