The Junior League of Boston is celebrating the 45th anniversary of its Show House fund-raiser. More than 20 of Boston’s top designers have transformed 25 rooms in the historic 1854 Nathaniel Allen House in West Newton. Owned by the Newton Cultural Alliance, the home is on the National Register of Historic Places and was a stop on the Underground Railroad. The show runs from May 7 through June 5. Tickets are $35 in advance and $40 at the door. For more information, go to <a href="http://www.BostonShowHouse.org.">www.BostonShowHouse.org.</a> Above: “Chinoiserie Chic” by Elizabeth Benedict of Elizabeth Home Decor & Design.David L Ryan/Globe Staff“The Grand Dining Room” by Susan Schaub and Scott Bell of Theo & Isabella Design GroupDavid L Ryan/Globe Staff “The Dressing Room” by Suzanne Logan of Spaces Design StudiosDavid L Ryan/Globe Staff/Globe Staff“The Library” by Steven Favreau of Favreau DesignDavid L Ryan/Globe StaffThe Nathaniel Allen House; “The Gardens” by Ed MacLean of Potted UpDavid L Ryan/Globe Staff“The Mudroom” by Ana Bonilla of AnaVera Design and Paige Lewin of Tess & Ted InteriorsDavid L Ryan/Globe Staff“Grand Foyer & Stairs” by Lynda Holich of Babel’s Design Group with rugs and carpeting by Jerry Arcari of Landry & Arcari Rugs and CarpetingDavid L Ryan/Globe Staff“La Belle Cuisine” by Vani Sayeed of Vani Sayeed StudiosDavid L Ryan/Globe Staff/Globe Staff“The Morning Room” by Kate McCusker of Theodore & Company, Kate and Theo HomeDavid L Ryan/Globe Staff“The Sitting Room” by Gerald Pomeroy of Gerald Pomeroy InteriorsDavid L Ryan/Globe Staff/Globe Staff“The Receiving Room” by Gerald Pomeroy of Gerald Pomeroy InteriorsDavid L Ryan/Globe Staff“The Little Kitchen That Could, sitting area” by Mimi Walsh of Mimi Walsh InteriorsDavid L Ryan/Globe Staff“The Bar, sitting area” by Cecilia Walker of Cecilia Walker Design and Tracy Foley of Water & MainDavid L Ryan/Globe Staff“The Lion, the Witch and the Wardrobe” by Sarah Scales of Sarah Scales Design StudioDavid L Ryan/Globe Staff“The Petite Retreat” by Nancy Seibel of LZM DeZignsDavid L Ryan/Globe Staff More from Address: The top 10 celebrity homes that hit the market this year The newest luxury for the rich? Tricked-out garages. If dorm life grew up and got a job Ask the carpenter Home of the week What is it like to live in... Send comments to Address@globe.com.