If your trip to Tarpon Springs is all locked in but your itinerary is a bit on the empty side, we can give you a helping hand.Leave that rental car in the hotel parking lot and start using those legs. Not far from the center of this neighborhood, Tarpon Springs Aquarium is worth a visit. More adventure awaits at St Nicholas Greek Orthodox Cathedral and Spongeoramas Sponge Factory, which are also a stone's throw away.