What are the best free indoor activities for kids in Maryland?

The best free indoor activities for kids in Maryland include the Walters Art Museum in Baltimore (always free mummies, medieval armor, amazing art), the Smithsonian National Zoo in DC (always free), the National Museum of Health and Medicine in Silver Spring (free), and all Maryland public library programs (free storytimes, STEM, art workshops).

Are there indoor trampoline parks in Maryland?

Yes! Maryland has indoor trampoline parks across multiple counties. Sky Zone, Altitude Trampoline Park, and Urban Air have locations in Montgomery County, Baltimore County, Prince George's County, and Anne Arundel County. Most offer open jump sessions, foam pits, dodgeball courts, and ninja warrior courses.

What is the best museum for kids in Maryland?

The Maryland Science Center at Baltimore's Inner Harbor is consistently rated the best museum for kids in Maryland hands-on science exhibits, an IMAX theater, and the Davis Planetarium make for a full exciting day. The National Aquarium next door is also outstanding. For free options, the Walters Art Museum is remarkably kid-friendly and always free.

What can families do on a rainy day in Frederick MD?

On a rainy day in Frederick MD, families can visit the National Museum of Civil War Medicine (downtown Frederick), catch a movie at the Regal Westview or AMC theaters, visit Glade Valley Bowl for bowling, explore the Children's section of C. Burr Artz Public Library (free programs), or make the 45-minute drive to the National Aquarium or Walters Art Museum in Baltimore.

What are the best free things to do in Maryland?

Maryland's best free activities include the Smithsonian National Zoo (always free giant pandas, elephants, lions), Assateague Island National Seashore (free beach with wild horses), the Walters Art Museum in Baltimore (Egyptian mummies, medieval armor always free), Blackwater National Wildlife Refuge (free wildlife drive with bald eagles), Artscape in Baltimore (July 17-19, 2026 America's largest free arts festival drawing 300,000+), and dozens of free weekly food truck series.

Are there free activities for kids in Maryland year-round?

Yes! Maryland has free family activities throughout the year. Year-round free options include the Smithsonian Zoo, the Walters Art Museum, all Maryland public libraries (free programs and events year-round), Carroll Creek Linear Park in Frederick, and the Havre de Grace Waterfront. Summer adds dozens of free outdoor concerts, free food truck series, and free festivals across all 24 counties.

Indoor Fun 📅 May 2026 ⏱ 9 min read

Best Indoor Activities for Rainy Days in Maryland Don't Let the Weather Stop the Fun

Maryland weather is famously unpredictable one day it's perfect for the orchard, the next it's pouring. But a rainy day in Maryland is no reason to stay cooped up at home. The state has an incredible range of indoor family activities that kids and parents actually enjoy together. Here's your ultimate rainy day guide for Maryland families.

🆓 Free Indoor Activities

Some of Maryland's best indoor activities won't cost you a penny:

The Walters Art Museum (Baltimore) Always free. Egyptian mummies, medieval armor, Fabergé eggs, Impressionist paintings, and one of the best art collections in the mid-Atlantic. Kids who think they don't like museums change their minds here. Open Wednesday through Sunday.
Smithsonian National Zoo (Washington DC) Always free. Giant pandas, Asian elephants, great apes, lions, and hundreds more animals across a beautiful forested campus. Perfect rainy day destination most animal exhibits are indoor or covered.
Maryland Public Libraries Every Maryland county has an award-winning public library system with free programs for kids including storytimes, STEM workshops, art programs, and maker spaces. Check your county library's website for the weekly schedule.
National Museum of Health and Medicine (Silver Spring) Free. Unusual and fascinating exhibits on medicine, anatomy, and public health. Not for the squeamish but older kids find it mesmerizing.

🏛️ Best Museums for Families

Maryland Science Center (Baltimore Inner Harbor) Hands-on science exhibits, IMAX theater, and the Davis Planetarium. Perfect for curious kids of all ages. Kids under 3 are free.
National Aquarium (Baltimore) One of the best aquariums in America. Sharks, stingrays, dolphins, Australian Adventure exhibit, and a beautiful rainforest. Book tickets in advance on weekends.
B&O Railroad Museum (Baltimore) The largest collection of American railroad history in the world. Kids go wild for the actual locomotives they can climb on. Excellent for train-obsessed families.
National Children's Museum (National Harbor) Hands-on interactive exhibits designed specifically for kids ages 0-10. In the beautiful National Harbor waterfront development just outside DC.

🦘 Active Indoor Fun

For kids who need to burn energy even on a rainy day:

Trampoline Parks Maryland has indoor trampoline parks across Montgomery County, Baltimore County, Prince George's County, and Anne Arundel County. Look for Sky Zone, Altitude Trampoline Park, and Urban Air locations near you.
Indoor Rock Climbing Earth Treks has locations in Columbia (Howard County) and Rockville (Montgomery County) excellent for families with older kids and teens.
Bowling Alleys Every Maryland county has bowling alleys. Look for cosmic bowling nights and bumper bowling for young kids. Many offer family package deals on rainy weekday afternoons.
Escape Rooms Maryland has excellent escape rooms in Baltimore, Frederick, Rockville, and Columbia. Best for families with kids 10 and up.

🎨 Creative Indoor Activities

Pottery Painting Studios Paint your own pottery at Color Me Mine, Fired Up, and independent pottery studios across Maryland. No experience needed kids and adults both love it. Pieces are fired and ready to pick up in about a week.
Cooking Classes for Families Several Maryland cooking schools offer family cooking classes on weekends. Teaching kids to cook is one of the best rainy day investments you can make.
Movie Theaters Sometimes a classic movie outing is exactly what a rainy day calls for. Look for Tuesday discount pricing and matinee deals at AMC and Regal locations across Maryland.