New Year, New Workout: Learn to Boulder

Climbing isn't all about scaling a lofty wall--or mountain--the fastest. Bouldering, a climbing trend that kicked off in the '60s but is seeing a growing resurgence, is all about low altitudes, pinning its focus on technique and body movement. You likely won't hoist yourself much higher than the average apartment ceiling, but your respect for the art of climbing will reach new levels. BrooklynBoulders.com

Sweat Factor: 2 out of 5

Sexy Factor: 4 out of 5

Shame Factor: 3 out of 5

If you want to come fully equipped, we recommend the Solution by La Sportiva, handmade climbing shoes made in Italy, $175; Sportiva.com