Museums & Zoos That Have Free Days in Denver and Throughout Colorado

Colorado has what seems like an endless supply of museums, zoos, and aquatic exhibits. Many of them have free days throughout the year, often during their off season. I track them down for you and list them here.

#	Article Title	Hits
1	Denver Zoo (free days)	573
2	Denver Museum of Nature and Science (1 free day each month)	407
3	Denver Botanic Gardens (free days)	391
4	Denver Art Museum (Free First Saturday)	295
5	Children's Museum of Denver (free first Tuesday monthly, 4-8pm)	280
6	Colorado Railroad Museum in Golden (free days)	226
7	Lookout Mountain Nature Center (always free)	171
8	Colorado School of Mines Geology Museum in Golden (always free)	170
9	University of Colorado Museum of Natural History at Boulder (always free)	157
10	National Center for Atmospheric Research, Boulder (always free)	156
11	National Renewable Energy Laboratory, Golden (free weekdays)	141
12	Aspen Art Museum (always free)	134
13	Avery House, Fort Collins (free Sunday and Wednesday)	119
14	Denver Firefighters Museum	112
15	Aurora History Museum (always free)	44
16	Denver Museum of Miniatures, Dolls, and Toys	23