If your looking for something free do to in Denver then look at going to the Museum of Nature & Science to go see the documentary 60 Minutes in Space.
Museum scientists go “behind the stories” in space science and use the best images and animation available to explain new developments. Gates Planetarium.
WHEN: Wed Mar 31 7pm – 8:30pm
WHERE: Denver Museum of Nature & Science (map)
COST: FREE. Reservations: 303.322.7009
OFFICIAL LINK: HERE
~PLEASE VISIT OUR SPONSERS- HELP KEEP US FREE~
Popularity: unranked [?]

Balls! A Holiday Spectacular.
If you’re looking for something free to do and you’re in the Denver area then you might want to check out the 9th annual Colorado Boat Festival on Sloan’s Lake Park.