Best for ages 10 and up per their website. Suggested donation of at least $5.
It's free! :-)
You can sometimes find a Groupon here to save money: https://www.groupon.com/deals/kid-museum
Also free!
Playground, mini golf, carousel, train ride, and little farm.
Great hiking from beginners to more intense (Billy Goat Trail!!)
Fun for the whole family! I took Lior here several times!
Free timed tickets required
Lots of free museums and open space
One of the best museums in DC, free time-ticket required. Best probably for older kids and adults.