Chasing waterfalls?

EAT
New Amsterdam Market
What: Hoping to become a permanent fixture, tons of local purveyors show off farm-fresh cheese, produce, meats, and prepared foods — with a focus on sustainability.
Why: Bread (from FCI to Sullivan Street), honey, mushrooms, and other mouth-watering groceries.
When: Sun., 11 a.m.-4 p.m.
Where: South Street Seaport, South St., b/t Beekman St. & Peck Slip.

NYC Icy
What: Frozen treats from newly opened mom-and-pop shop (with Manhattan and Brooklyn branches) come in icy (lychee, mango basil) and sherbet (milk and cookies, hazelnut chip) flavors that change daily.
Why: Hell’s officially frozen over.
When: HK, Sun.-Wed., 11 a.m.-midnight; Thurs.-Sat., 11 a.m.-2 a.m.; Brooklyn, daily, 11 a.m.-10 p.m.
Where: 628 Tenth Ave., b/t 44th & 45th Sts.; 905 Church Ave., at Coney Island Ave., Kensington (347-789-1849).

HEAR
Fortification
What: Castle Clinton’s drawbridge is lowered for a night of world music and dancing in plein air — with live performances, fine DJs, and bands.
Why: Proceeds benefit Figment (a huge volunteer-run arts event at Governors Island, Fri.-Sun.).
When: Sat., 6 p.m.-midnight.
Where: Castle Clinton, Battery Park, 1 Bowling Green.

BUY
Sophomore Sample Sale
What: T-shirts, pullovers, and hoodies for guys; dresses, tees, sweatshirts, leggings, plus vintage denim for ladies. Everything’s marked $15-$90.
Why: Get out of your sophomore slump.
When: Thurs., noon-9 p.m.
Where: Circa Now, 238 E. 6th St., b/t Second Ave. & Bowery (212-254-2555).

La Perla
What: Lingerie, sleepwear, swimsuits, and men’s undies are 75 percent off.
Why: Sleep it off.
When: Thurs., 9 a.m.-8 p.m.; Fri., 9 a.m.-6 p.m.
Where: 260 Fifth Ave., b/t 28th & 29th Sts.

PREORDER
Tickets to DailyCandy’s Midnight Music & Munchies
What: Fave foodies riff on late-night snacks, mix mean cocktails, and make sweet sounds during the first-ever NYC Wine and Food Festival.
Why: Sure, you’re planning really far ahead, but everybody likes an after-party.
When: Oct. 10. Fri, 10 p.m.
Where: Tickets on sale here.

DRINK
Blue Angel Wines
What: Two enterprising ladies (one an Astor wine alum) with wicked booze knowledge open a mostly organic (yet reasonably priced) wine shop in the BK.
Why: Thank the divine messengers.
When: Mon.-Wed., noon-9 p.m.; Thurs.-Sat., noon-10 p.m.; Sun., noon-6 p.m.
Where: 638 Grand St., b/t Leonard & Manhattan Aves., B’Burg (718-388-2210).