Housing some of the most precious artifacts of Lowell Observatory’s history, the Rotunda Museum was completed in 1916 and served as the institution’s library until the mid-1970s.
Featured Displays at the Rotunda
How to See the Rotunda
Dive into Lowell’s history and gain access to the Rotunda Museum with your general admission ticket, or see the Rotunda with a tour.
Become a Member
Get a year-round pass to the Rotunda Museum and much more when you become a member with us!
Covid-19 Safety Precautions
Increased cleaning and sanitizing
Temperature and health screening
Social distancing of at least 6ft
Face masks are required
Wash or sanitize your hands often
Socially-distanced guided tours and family adventures, offered on a limited basis, with mixed groups of 10 or less.