The largest single-aperture telescope and radio telescope in the world, it's been used to study the ionosphere, transmit messages into space, and was featured in many popular films, like GoldenEye.
Lots to learn on a single place! Take your time to fully understand and enjoy your visit here. Cooperate and put your phone on Airplane Mode while visitng.
The Arecibo Observatory famously appeared in Goldeneye (1995) as the satellite control station of villain Janus/006/Alec Trevelyan, where James Bond brings his master plan to a halt.
The exhibit is actually interesting (way more advanced than stuff than your children's encyclopedia type exhibit), and our guide, Carla, sounded way too knowledgeable for an average guide.