40 must-see places to take your kids before they’re grown

Want an amazing family vacation? Plan a trip to one of these 40 must-see destinations. Get there while your little ones are still little (or at least before they're out of the nest altogether!). Related: The 16 best places to go on vacation with a baby or toddler Northwestern Arizona Why you've got to go: Do we really need to convince you? It's only one of the most spectacular, iconic sites in America! This great gorge is 277 miles long and 6,000 feet deep in some spots, with rocks that are millions of years old. What to do: Don't just stand there and stare! Bike along the South Rim (rent wheels from Bright Angel at the visitor center) or hike into the canyon on free ranger-led tours to spot fossils, lizards and California Condors. For the ride of lifetime, explore by mule, but reserve your 3-hour excursion at least a year in advance. Get there when your kids are: Gradeschoolers/Tweens More info: nps.gov/grca Wyoming/Montana/Idaho Why you've got to go: It's America's very first national park and has the highest concentration of geysers in the world! What to do: See Old Faithful, which shoots steam sky-high every 90 minutes, and then move on to the other geysers, stinky mud pots and multi-colored hot springs within walking distance (check out the flower-shaped Morning Glory Pool). Yellowstone is also a great place to spot wildlife: Bison, elk, bears, wolves and Bighorn Sheep all hang out here. Get there when your kids are: Gradeschoolers More info: nps.gov/yell Boston Why you've got to go: Boston is the birthplace of the American Revolution! Kids will have so much such Continue Reading