In Monterrey
Guides: TripAdvisor USAToday VirtualTourist LonelyPlanet
Canyoning (examples of outfitters) Emocion Extrema Gaia Xtreme Aventurs
Pueblos Magicos: Santiago
Caves (Grutas de Garcia)
Low-cost Airlines to travel around Mexico: Vivaaerobus Interjet Volaris
In Clemson
GSP Airport (45 min from Clemson University campus)
Snow Family Outdoor Fitness and Wellness Center (Y-beach)
Lakes: Hartwell Keowee Jocassee/Devils Fork Park
Short drives (<1.5 h): Greenville, SC Asheville, NC Helen, GA
A bit longer drives (<2 h): Atlanta Charlotte Carowinds Whitewater Center
Rafting (examples of outfitters): Rolling Thunder Wildwater Rafting