If your trip to Bremerhaven is all booked but your travel itinerary is looking a bit empty, let us give you a helping hand.Explore the best that this city has to offer by adding River Weser Dyke Promenade and Wilhelm Bauer Submarine Museum to your itinerary. If you have some extra time, take a look at National German Maritime Museum and Zoo at the Sea too.Near the city center, Climate House is one spot you might like to add to your to-do list. If you still have some room on that travel itinerary, German Emigration Center and Bremerhaven Historical Museum will keep you on the go too.