Fall break may be half over (shh) but we still have two full days without classes! (So, a normal-sized weekend.) Plenty of students are staying at Columbia over the weekend, but that doesn't mean it's not possible to get out and explore. Yes, we do love New York it in all of its concrete glory, but with fall in full swing, it's nice to get out into nature every once and a while and take advantage of the remarkable scenery she has to offer. If you're craving an escape to the great outdoors, try one of these hikes no more than two hours outside NYC, both accessible by train. 1. Long Island Greenbelt Trail The Greenbelt has six major trails, some flatter, passing through recreation areas and golf courses, and some more hilly and strenuous. Some areas of the trails are multipurpose and open to cyclists as well. Trails range from 4-12.7 miles long.more How to get there: Take the LIRR from Penn Station to Smithtown. Travel time: 1.5 hours Cost: $35 adult, round-trip...