Wednesday Ticker: Vegas pools and Irish castles

Will.i.am has been added to the high-powered slate of DJs and producers performing Labor Day weekend at Encore Beach Club and Surrender Nightclub in Las Vegas. He’ll appear Friday, Sept. 2, and renowned DJ Kaskade will be there Sunday, Sept. 4, (702) 770-7300 .... Take a free roller coaster ride Aug. 16 at Primm Valley Casino Resorts, on the California-Nevada border .... Ireland’s Ashford Castle, which dates to 1228, is putting on a “Hogwarts Halloween,” with treasure hunts and magic classes .... Yotel, a New York hotel, features a 20-foot-tall robotic arm that handles luggage in the lobby .... Hotwire.com’s most popular Labor Day destination? New York City, based on the discount travel website’s bookings. San Francisco is No. 5, San Diego, No. 8 .... The Milwaukee Irish Fest will feature 100 entertainers on 16 stages, Aug. 18-21 .... The Martin Luther King Jr. Memorial on the National Mall will honor the 48^th anniversary of the “I Have a Dream” speech Aug. 28, with a guest list that includes Stevie Wonder, Aretha Franklin, Jamie Foxx and George Lucas. Ticket and hotel packages, click here, or call (855) 201-1655 .... Travel quote of the day: “Twenty years from now you will be more disappointed by the things you didn’t do than by the ones you did do. So throw off the bowlines … Catch the trade winds in your sails. Explore. Dream. Discover.” (Mark Twain)