CU Boulder's Norlin Library is the main library on campus and offers free WiFi to visitors via the CU Guest network. Spacious study areas, power outlets, and quiet floors available. Visitors register once by email to get a guest login (valid 7 days, up to 3 devices); CU students and staff use CU Secure with IdentiKey …

Fiske Planetarium is one of the largest planetarium domes in the United States, located on the CU Boulder campus. It hosts regular public shows covering astronomy, science, and immersive dome experiences — open to everyone, not just CU students. Free WiFi via the CU guest network is available while you're on campus. …