welcome to the museum of science and industry, chicago—the largest science center in the western hemisphere.

located downtown by millennium park, this top art museum is tripadvisor's #1 chicago attraction—a must when visiting the city.

your visual guide to amateur astronomy - planets, constellations, galaxies, clubs, telescopes, and more

griffith observatory is southern california's gateway to the cosmos! visitors may look through telescopes, explore exhibits, see live shows in the samuel oschin planetarium, and enjoy spectacular views of los angeles and the hollywood sign.

enjoy daytime tours and nighttime telescope at lowell observatory, a 2 minute drive to historic downtown flagstaff, and 1-hour drive from the grand canyon.

embark on a journey of discovery with the hubble space telescope.