If you'd like to inject a little more culture into your escape, put Museum of Indigenous Amazonian Cultures on your travel itinerary. Check if guided tours are available or just look around in your own time.
This museum is in Iquitos, a destination that has lots going for it! Plaza de Armas, Plaza 28 de Julio, and Iquitos Cathedral are other worthwhile sightseeing options nearby when you're all done at Museum of Indigenous Amazonian Cultures.