Thailand is one of the most beautiful, charming and diverse countries you can visit. It's also one of Asia's best-value holiday destinations, says Mark Haughton of Wanstead travel agent Escape Worldwide. Thailand's diversity makes it a fascinating place to visit, where you can take in ancient temples and modern cities, deserted beaches and non-stop nightlife, stunning countryside and plenty more – all in one trip. Holidays to Thailand are very flexible, so it's not just a two-weeks-on-the-beach kind of place, you can do as much – or as little – as you wish. Most visitors start their Thai adventure in Bangkok, the capital and by far the largest city, with the best flight connections from the UK. It's a hectic place with lots to experience – there's everything from ancient temples and grand palaces to vibrant markets and lively bars, and while it's a full-on city that's not to everyone's taste, it's an easy place to fall in love with. It...