Cusco Planetarium is a nifty way to learn more about the Inca worldview. It was the only culture in the world to define constellations of darkness as well as light, and studied astronomy seriously: some of Cuzco’s main streets are designed to align with the stars at certain times of year. Recommended before you go on a trek – you’ll feel clever pointing out the Black Llama to your fellow hikers. Reservations essential; price varies with group size, and includes pickup and drop-off.
