You can enjoy some culture when you stop by Lembaga Studi & Pelestarian Budaya Sumba in Tambolaka. Take in the museums while you're in the area.
Commune with nature and explore the great outdoors at Lapopu Waterfall during your travels in Wanokaka.
Why not spend a lazy afternoon at Marosi Beach during your trip to Nihiwatu? While you're in the area, stroll along the beaches.