As we’ve discussed in previous posts, there are hundreds of things to do outdoors in Maryland. But when the weather doesn’t cooperate, it can put a downer on our plans. But not to worry, you don’t have to cancel the hang just yet. There are still quite a few things you can do indoors that are equally, if not more, fun! Here are 10 awesome indoor things to do in Maryland on a rainy day. From indoor museums to gyms and aquariums, you are sure to find something to keep you and the entire crew both dry and entertained.

1. Earth Treks Climbing Centers, various locations
BKL / Flickr
Earth Treks has three locations in Maryland (Columbia, Timonium & Rockville), all of which have epic indoor climbing spaces.
2. Maryland Science Center, Baltimore
The Maryland Science Center / Flickr
The Maryland Science Center has exhibits, an IMAX experience, and planetarium. Learning has never been so much fun.
3. Monster Mini Golf, various locations
Selbe Lynn / Flickr
You can currently find Monster Mini Golf in Jessup, Parksville, and Gaitherssburg. It's a spooktacular and surreal way to mini golf indoors.
4. Calvert Marine Museum, Solomons
alliecat1881 / Flickr
There's lots to learn at Calvert Marine Museum. From boat history to the wildlife of the Chesapeake Bay, a trip to this museum is perfect for a rainy day.
5. Sky Zone Trampoline Park, various locations
sharyn morrow / Flickr
Jump up, jump up and get down at Skyzone! With several locations in Maryland, there's sure to be one not too far from you.

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6. National Aquarium, Baltimore
Amanjeev / Flickr
Head to the National Aquarium for a day full of ocean exploration. The exhibits here are fascinating and you may never want to leave.
7. Crystal Grottoes Caverns, Boonsboro
Crystal Grottoes Cavern
Get out of the rain and into a cave! At Crystal Grottoes Caverns you'll be amazed at the unique beauty hidden from the outside world. According to the website, these caverns have more formations per square foot than any other cave in the world.
8. Castle Laser Tag, Bowie
Facebook/Castle Laser Tag- Bowie
Sure, you can find laser tag in a few places throughout Maryland, but only Castle Laser Tag takes you back into the time of castles and knights. Venture through fog, lights, and sounds for a most epic journey.
9. Western Maryland Scenic Railroad, Cumberland
jpmueller99 / Flickr
Take a ride on the Western Maryland Scenic Railroad for a 3 1/2 hour trip through mountains, valleys, and a spin on a train turntable.
10. Ripley's Believe It Or Not, Ocean City
John / Flickr
There's no denying that Ripley's Believe It Or Not is rather touristy. Still, it IS convenient to visit on a rainy day and there's just something about oddities that are captivating. You can find it on the OC Boardwalk.

Which of these indoor activities in Maryland are you most excited to check out with family and friends? They also make for some killer indoor date ideas! Where are your favorite places to explore in Maryland when the weather is dreary? Share in the comments!

When the weather clears up, you’ll probably want to get yourself outside. Our list of scenic hikes in Maryland is great for some inspiration with hikes for all levels of ability all across the state. Or for a more leisurely outdoor adventure, take a look at our list of the best picnic spots in Maryland.

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Rainy Day Maryland

Sara Dager | December 30, 2022

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