Alabama: Attend a space camp for adultsiStock/deimagine
Harness your inner astronaut at the U.S. Space & Rocket Center in Huntsville, Alabama. This Smithsonian affiliate museum has an extensive collection of space artifacts, rockets, spacecrafts, and simulators. Want more? Sign up for their two-day Adult Space Academy. You'll construct and launch model rockets, learn the history of spaceflight, and train in an astronaut simulator and 1/6th gravity chair (essentially a bounce chair that simulates a moon walk). This is what astronauts have to say about life aboard the International Space Station.
Alaska: View the Northern LightsiStock/NotYourAverageBear
The aurora borealis is thought of by many to be the most stunning natural light show on Earth. The spectacle appears most frequently appear over Fairbanks and Anchorage, Alaska, in the winter months between September and early April. Go for a week-long trip to increase your chances of seeing them.
Arizona: Hike the Grand CanyoniStock/IlexImage
What would a bucket list be without a trip to the Grand Canyon? Head to the popular South Rim on the Arizona side of the canyon for a quick visit, or the more secluded North Rim for a more involved trip. Don't miss these gorgeous photos of America's National Parks.
Arkansas: Dig for diamondsiStock/PaaschPhotographye
For a small fee, you can search for stones at the Crater of Diamonds State Park in Murfreesboro, Arkansas. The world's most perfect diamond and North America's largest diamond were both found here. If you're lucky, you'll leave the state with some serious bling.
California: See the tallest tree on EarthiStock/lucky-photographer
Bask in the shadows of the tallest trees on Earth at Redwood National & State Parks. The tallest tree here (and in the world) stretches 359 feet into the sky. The park also offers nearly 40 miles of stunning coastline. Read this story about one man's quest to save the redwoods.
Colorado: Bathe in the hot springsiStock/kwiktor
If you don't mind the 8.5-mile hike up Conundrum Creek Trail, you're in for a treat: the 100-degree hot springs at the top. Set up camp nearby and head to the water for stunning views of the mountains during the day and the stars at night. The trailhead is located just outside of Aspen, Colorado. These are the most spectacular summer hikes.
Connecticut: Take a riverboat ride to the pastiStock/CynthiaAnnF
Experience the untouched Connecticut River Valley the way American's did a century ago—via steam train and riverboat. This two-part tour through the countryside is especially gorgeous during fall, when the leaves reach peak color. If you can't make it then, February and March are the months you're most likely to spot a bald eagle.
Delaware: Float down the Brandywine RiveriStock/DenisTangneyJr
In the warmer months, partake in the American pastime of floating down rivers. Delaware Today recommends parking one car at Thompson's Bridge in Wilmington, and launching by the Brandywine River Museum. Bring along a drink or two for the calm two-hour float.
District of Columbia: Cherish the cherry blossomsiStock/pabradyphoto
Each spring, Washington, D.C., is blanketed in pink when its thousands of cherry trees come into bloom. The National Cherry Blossom Festival celebrates their beauty and honors the friendship between the United States and Japan, the country that gifted us these flowering trees. The festival currently spans four weekends and brings more than 1.5 million people to the capital.
Florida: Navigate the EvergladesiStock/Roberto-A-Sanchez
Assuming you've already hit up Walt Disney World, use your next trip to the sunshine state to visit the Everglades. This unique ecosystem is known for its wildlife and is home to crocodiles, Florida panthers, and a host of birds. Most airboat tours will tell you everything you need to know.