Snow Library offers free passes or coupons for discounted admission to a variety of museums, parks and other cultural institutions in Boston and around Cape Cod.

Cahoon Museum of American Art

4676 Falmouth Rd. (Rt. 28), Cotuit

Each pass provides free admission for two people. Children under 12 admitted free at all times.

Cape Cod Museum of Art

60 Hope Lane, Dennis (508) 385-4477

One pass offers free admission for two people. Ages 12 and under admitted free at all times.

Heritage Museum and Gardens

67 Grove St., Sandwich (508) 888-3300

Each pass provides 50% off regular admission for up to 6 people. Children under 2 are free.

Isabella Stewart Gardner Museum

25 Evans Way, Boston (617) 566-1401

Each pass admits up to four people with $5 admission to the museum. Ages 18 and under are admitted free at all times.

Massachusetts State Parks

One pass offers free admission to state parks. Not valid for camping. You must have a Massachusetts license plate to redeem it.

Museum of Fine Arts

465 Huntington Ave, Boston (617) 267-9300

Each pass provides reduced general admission for 2 individuals at $10 for each visitor using a library pass. Children age 6 and under are admitted free at all times.

Museum of Science

Museum of Science Driveway, Boston (617) 723-2500

Each pass provides a 50-percent discount off Exhibit Hall admission prices for up to four people. Children under 3 are free.

New England Aquarium

1 Central Wharf, Boston (617) 973-5200

Each pass provides a 50% discount off general admission for any combination of four individuals, adults and/or children. Children under 3 are free.

Pilgrim Monument and Provincetown Museum

High Pole Hill Road, Provincetown (508) 487-1310

One pass provides free admission for up to 6 people. Children age 3 and under are admitted free at all times.

Plimoth Patuxet Museums

137 Warren Ave., Plymouth (508) 746-1622

Each voucher allows one individual to purchase tickets for up to six individuals at the reduced rate of $18 per adult, $12 per child ages 5 to 17.

Whydah Pirate Museum

674 MA-28, West Yarmouth (508) 534-9571

Each pass provides discounted admission for up to four people at $12 per ticket.