Online ordering of Mount Wilson Observatory Merchandise is fulfilled by Spreadshirt.com. Place your orders here!
Show your support with one of our cozy hoodies or sturdy t-shirts. Looking for more Mount Wilson merchandise? Visit us on the mountain at the Cosmic Cafe, or at one of our public events, where a larger variety of items will be available.
All purchases support the Mount Wilson Institute’s mission of managing and promoting the Observatory for scientific research, historic preservation, education, public engagement, and the arts.
Observatory grounds & the Cosmic Cafe are open weekends 10AM-5PM.MORE INFO
Docent-led tours are offered at 11:30AM & 1PM Saturdays & Sundays - buy tickets at the Cosmic Cafe!MORE INFO
2023 Season of Events at the Observatory – there’s something for everyone!READ MORE
Cozy hoodies & stylish t-shirts to support Mount Wilson Observatory!SHOP NOW
Your ongoing support is appreciated every day as we bring science history to life!JOIN NOW