Visit the Grand Palace in the morning, Wat Arun in the afternoon, and Khao San Road in the evening to experience the local street food and nightlife.
Enjoy the morning at Nong Nooch Tropical Garden, visit the Sanctuary of Truth in the afternoon, and end the day with a stroll along the Pattaya Beach.
Take a morning longtail boat tour of the Phi Phi Islands, enjoy the afternoon exploring the Tiger Cave Temple, and end the day with a relaxing swim in the Emerald Pool.
Spend the morning at the Elephant Nature Park, visit the Wat Phra That Doi Suthep Temple in the afternoon, and end the day with a stroll through the Chiang Mai Night Bazaar.
Visit the White Temple in the morning, explore the Black House in the afternoon, and end the day with a relaxing soak at the Pong Phra Bat Hot Spring.
Spend the morning at the Big Buddha, visit the Karon Viewpoint in the afternoon, and end the day with a sunset walk along the Promthep Cape.
Take a morning boat tour of the Phang Nga Bay, explore the James Bond Island in the afternoon, and end the day with a swim at the Koh Panyee floating village.
If you're interested in shopping, check out the MBK Center in Bangkok and the Central Festival Pattaya Beach in Pattaya. For a side trip, consider visiting the Railay Beach in Krabi. To maximize your fun while in Phuket, try a zip-lining adventure or a Thai cooking class.