sentences:  The museum's Annual and Biennial exhibitions have long been a venue for younger and lesser-known artists whose work is showcased there.From 1966 to 2014, the Whitney was at 945 Madison Avenue on Manhattan's Upper East Side in a building designed by Marcel Breuer and Hamilton P. Smith.The museum closed in October 2014 to relocate to a new building designed by Renzo Piano at 99 Gansevoort Street in the West Village/Meatpacking District neighborhoods of Lower Manhattan; it reopened at the new location on May 1, 2015.