Free days & verified discounts in Westminster, Colorado

Every perk below was verified on an official source — free days, library passes and EBT/SNAP admission programs. If a venue has no verified perk, it is not listed here.

Arapahoe Libraries pass — Butterfly Pavilion1 free admission + up to 3 additional guests at $5 each (party of 1 is complimentary). Valid for the specific date only; not for special events. Reserve up to 30 days ahead.
Source: https://arapahoelibs.libcal.com/passes/butterfly

Denver Public Library pass — free admission — Butterfly PavilionReserve online; passes released daily at noon on a rolling basis.
Source: https://www.denverlibrary.org/museum-passes

Explorer Pass (SNAP/EBT/WIC) — $5 admission — Butterfly PavilionSNAP, EBT, WIC and P-EBT cards accepted; $5 per person for up to 4 guests; present card in person at the front desk.
Source: https://www.denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Denver-Human-Services/Be-Supported/Food-Cash-and-Medical-Assistance/Food-Assistance-SNAP/Explorer-Pass

Plan a free day — open the planner

Venue details last verified October 31, 2026 against official sources. Hours and prices change — check the official site before you go. FamilyDay AI is a free planning tool for parents; we list only facts we have verified, and we never invent ratings or reviews.