Southwest® flights from Baltimore/Washington to Denver from $143

Coming from the D.C./Baltimore area, you're likely no stranger to American history—and there's a ton to soak in when you visit historic Denver. You'll find great museums like the Colorado Railroad Museum, History Colorado Center, and Wings Over the Rockies Air & Space Museum, as well as historical landmarks like the Denver U.S. Mint—still the single largest producer of coins in the world, which offers free tours Monday through Thursday!

If you're bringing your family with you to explore the Mile High City, Denver offers a wide array of fun, kid-friendly activities! Check out over 4,300 animals from all over the world at the Denver Zoo, the city's most popular cultural attraction. There's also the Denver Museum of Nature & Science, as well as the Children's Museum of Denver, which offer children the opportunity to create, discover, and explore the world around them. Flora fans can travel to the Denver Botanic Gardens in the Cheesman Park neighborhood for themed gardens, a conservatory, and summer concerts. Speaking of concerts, Red Rocks Amphitheatre is a must-see concert venue for lovers of music and innovative architecture and breathtaking landscapes alike.