1. Travel solo. Traveling alone is courageous. It's also convenient. Stop, go, stay, leave without a group vote. Photo from Shutterstock
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2. Climb a mountain. You don't have to go all the way to Tanzania's Kilimanjaro to summit a peak. But you could ... Photo from Shutterstock
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3. Take a classic train ride. In a world possessed by planes and automobiles, there's still nothing quite like a great train ride. Photo from Shutterstock
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4. Browse through an iconic market. Tsukiji Fish Market in Tokyo delivers the sensory overload market visitors crave. Photo from Shutterstock
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5. Take an epic trail. California's John Muir Trail features over 210 miles of prime Sierra Nevada mountain backcountry. Photo from Shutterstock
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6. Visit the place your ancestors grew up. If you haven't a clue where any of your great-great-great-grandparents grew up, an adventure awaits. Photo from Shutterstock
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7. Learn a language. Like doing crosswords, learning a new language is good for your brain (they say). Photo from Shutterstock
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8. Watch a game in a famous stadium. You may not witness the World Series but high-fiving frenzied strangers is always fun. Photo by Scott Olson/Getty Images
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9. Volunteer abroad. The list of charitable organizations allowing you to lend a hand to a world's supply of worthy causes is long. Photo by Joel Nito/AFP/Getty Images
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10. Cross a border on skis, zip line, etc. Skiing between Switzerland and Italy makes for a truly unforgettable border crossing. Photo by Marka/UIG via Getty Images
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11. Stay at a hostel.Decor aside, there's a big perk to staying at a hostel: a set of new travel buds you'd never meet at some sterile hotel. Photo from Shutterstock
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12. Take a cooking course in another country. You get a hands-on culinary experience and some new recipes to bring home. Photo from Shutterstock
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13. See an amazing animal in the wild. Jaguars are a big draw in Brazil's Pantanal wetlands. Photo from Shutterstock
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14. Visit a wine region outside of France or California. The hills of northern Italy produce excellent wines and magical scenery to boot. Photo from Shutterstock
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15. Have a one-of-a-kind aquatic experience. Jellyfish Lake, Palau, produces close encounters with mesmerizing aquatic creatures. Photo from Shutterstock
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16. Attend a wild 'n' crazy festival. Just because you're only young once doesn't mean you have to go to Burning Man. But you might want to. Photo by Mike Nelson/AFP/Getty Images
18. Ride a famous subway. Here's your long-awaited opportunity to "mind the gap" in London's Tube.Photo from Shutterstock
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19. Double down in Vegas or Monte Carlo. Even if you're at the cheap table, it still counts. Photo from Shutterstock
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20. Ride a horse. Turkey's Cappadocia provides an otherworldly landscape ripe for exploration on horseback. Photo from Shutterstock
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21. Eat a hot dog on the street. If you'd rather eat a giant spider than a hot dog on a busy street corner, the option is open to you. Photo from Shutterstock
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22. Drive a magnificent coastline. Finding a stretch of shoreline to drive isn't too hard. Nova Scotia's Cabot Trail is one life-affirming route. Photo from Shutterstock
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23. Hail a New York taxi or a London cab. Shelling out £80 for a ride from Heathrow to central London may not seem logical. Take the ride anyway. Photo from Shutterstock
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24. Walk across a famous bridge. Few bridges can match New York's Brooklyn Bridge for vibrant city views. Photo from Shutterstock
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25. See a live volcano. Hawaii Volcanoes National Park is best approached with sound risk assessment and a knowledgeable guide. Photo from Shutterstock
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26. Visit a famous observation deck. The Empire State Building isn't the tallest, but its observation deck is ripe with romance. Photo from Shutterstock
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27. Enter a real castle. Wales's imposing Raglan Castle fits the bill with its steep stone walls and towers. Photo from Shutterstock
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28. Attend a rodeo. Yes, you can pull off a cowboy hat and boots west of the Mississippi. Photo from Shutterstock
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29. Leave the guidebook at home.Just go. Follow your own footsteps. Give your own intrinsic travel smarts room to surface. Photo from Shutterstock
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30. Get a massage in an airport. If there's one thing on this list you need to do as soon as possible, start here.Photo by Peter Parks/AFP/Getty Images