The joyous, playful and wildly creative vacation homes designed by Andrew Geller on Long Island are only now coming into due appreciation. The Antler House, built in The Springs of East Hampton in 1968, was perhaps his most whimsical. Over the years, new owners replaced original quirks with standard building features, and tacked on pragmatic additions. This “wooden spaceship in the forest” was restored it to its former glory, plus a few modern comforts.