Cook Islands could only boast of one waterfall, Papua (Wigmore's) Waterfall, which is situated Vaimaanga.
For the hikers, Cook Islands offer series of hiking activities that should never be missed: There are inland trekking, walking tours to places of historical significance and drives around the Island on horse or in vehicles. Alone, the Island of Rarotonga is blessed with 13 trails: the most prominent among them is the Cross Island Trek, Pa's Mountain Walk, the Takitumu Conversation Area Walk, Te Kou Trek and Ikurangi Trek.
Historical landmarks to visit in Cook Islands include the old Palace of Makea at Taputapuatea, Takamoa Mission House, erected in 1842, Pa's Palace in Takitumu that was built entirely with lime and coral. To have a feel of European influence on Cook Islands , Arai-Te-Tonga, a complex of stone structures should be visited.