? Visit the ancient ruins of Ayudhya and the Bridge on the River Kwai on an 11-night "Old Siam and River Kwai" trip to Thailand with Explore Worldwide (01252 760 000) for £789pp, including hotel accommodation, one night in a sleeping compartment aboard a train from Bangkok to Chiang Mai, two nights' full-board on a converted rice barge then two nights' full-board in a raft house on the Kwai Noi River and return flights from Heathrow. Depart 30 March.