Conrad Hotels & Resorts-- described as "the most global contemporary luxury brand of the Hilton Family"-- has been around for a quarter century. To celebrate this milestone, Conrad is giving you a night on the house. Available for stays booked between March 1 and June 12, 2011 and completed by June 30, 2011, this offer is available at choice locations around the globe-- from Bali to Brussels, Singapore to San Juan. A minimum night stay requirement applies and varies by each individual hotel. For example, stay three nights at Conrad Chicago, a prime Windy City address, and get your fourth night for free. (Rates from $195.) Soak up the sun in Miami and get your fourth night free- with rates starting from $299. Check out the art, culture and design in the European Capital and get a third night free at Conrad Brussels- with rates starting from €199 per night. Offer is subject to availability and black-out dates may apply.