The Horizon Casino Resort in South Lake Tahoe is closing April 1st of 2014 and will be renamed the Park Tahoe Casino Resort. Renovation of the resort is planned starting April 1st and the Park Tahoe is expected to open before the end of the year.
Update July 18, 2014: Their plans have changed and they will reopen in late 2014 or early 2015 as a Hard Rock Hotel and Casino.