HHonors members who book and pay for a double dip stay with a valid Visa card at hiltonhhonors.com or at any Hilton Family Web site through March 31, and complete their stay before April 15, will earn 500 bonus points and be automatically entered for a chance to win 1 million more. The offer is available at more than 2,500 HHonors hotels worldwide including Hilton, Conrad, Doubletree, Embassy Suites Hotels, Hampton Inn, Hampton Inn & Suites, Hilton Garden Inn, Homewood Suites by Hilton and Scandic hotels.