Come to celebrate first, free Celebrate Brooklyn! This week Brazilian Dance Party. Seamlessly fusing Brazilian and Gulf Coast musical traditions, Brooklyn’s own Nation Beat will rock the stage with their bold and colorful sound

Second annual New York City Bike Expo is taking place May 18 and May 19, from 11am to 8pm both days at Penn Pavilion, 401 Seventh Avenue at 33rd Street in Midtown Manhattan. Come visit the expo for all things road cycling. 

Every Friday, from 5:30 to 7:30pm, the American Folk Art Museum invites the public in to relax with live music provided by notable NYC musicians. Visitors are also welcome to peruse the institution's collections. The museum, which always offers free admission, recently moved from West 53rd Street to a new home at 2 Lincoln Square.

Admission is pay-what-you-wish on Fridays, 6–9 pm. The Whitney maintains one of the world's foremost collections of 20th-century American art.

Sixth Annual Parade: On Saturday May 19 2012, over ten thousand dancers will showcase more than 75 ethnic and dance genres on the world stage of Broadway. Amongst beautifully crafted floats, live bands and DJs, the parade is ordered chronologically honoring the history of dance from ancient to contemporary.

USP teamed with Big Onion Walking Tours to create a free, 90-minute walking tour Saturdays at 2 PM entitled Union Square: Crossroads of New York. The tour departs from the Abraham Lincoln Statue located along the 16th Street transverse.

BayFest 2012 is an all-day, nonstop festival of music by Jay & The Americans plus over 21 fresh, up & coming bands, dance troupes, and kids' entertainers on a main stage and 10 piers of the Sheepshead Bay waterfront.

Every Tuesday at dusk, gaze at the stars, planets, and Moon using high-powered telescopes, and chat with members of the Amateur Astronomers Association of New York about the sights you see.

Gristle Tattoo presents Nate Wilcox's first exhibition with the gallery. Wilcox's New Paintings and Prints will include 15 works created this year which focus on the planning and preparatory process used in the creation of oil paintings and is inspired by rough sketches, under paintings and preparatory three dimensional models.

Reclaim and revel in the beautiful privately owned public fountains in front of many high-rises around Manhattan's Midtown. This is a joyous celebration of public space and our own bodies. Many people do not realize the plazas and fountains are open to the public, so we will show them!

The original daytime holiday experience in dance and dine is back celebrating its 5th year. On Monday, May 28, 2012 from 3 pm to 10 pm at LP 'n Harmony (683 Grand Street), Beats & BBQ will provide the Williamsburg, Brooklyn community its successful combination of "Soulful Dance Music, BBQ and You”.

The museum is open to the public free from 6 to 8 p.m. on the first Friday of every month.