Four Seasons Tented Camp Golden Triangle, Thailand

Set amid jungle, this posh all-inclusive resort next to the Ruak river is 4 km from both Golden Triangle Park and the 212 House of Opium museum. Featuring wood and leather furnishings, the luxe permanent tents come with free Wi-Fi, and tea and coffeemakers, as well as air-conditioning, minibars and decks. All provide en suite bathrooms with claw-foot tubs. There are no TVs. Amenities include an open-air restaurant and a casual cocktail bar, as well as guided tours, elephant trekking, and an outdoor pool with river views. There's also a spa. Guests age 10 and over are welcome.