1green-gables-corporate-retreat-gallery-6 Published on October 19, 2021 in Why Now Is the Time to Acquire Corporate RetreatsFull resolution (1500 × 1125) ← Previous Next → The outdoor spaces at Green Gables are large enough to accommodate tents for evening events. In 1965, the United Nations selected Green Gables as the site of its 20th anniversary commemoration gala.