Bangkok is one of the best places to party. Head to Khao San Road where you can find different types of bars and clubs. Try rooftop bars such as Vertigo Rooftop Bar for a stunning view of the city. End your night by hopping on to a boat party along the Chao Phraya River.
Experience Thailand's national sport, Muay Thai, by watching live fights. You can watch Muay Thai at the Rajadamnern Stadium. The stadium is open from Monday-Sunday from 6:30 PM - 10:00 PM.
Pattaya is known for its nightlife and beach parties. You can go bar hopping in Walking Street or dance the night away at Hard Rock Cafe Pattaya. Spend the day sunbathing in Jomtien Beach and try out water sports such as parasailing and jet skiing.
Take a private yacht and party in style in Phuket. Start your day by visiting Maya Bay where the movie "The Beach" was filmed. Then, anchor at Racha Island and enjoy snorkeling or diving. End your day by dancing to the tune of live DJ music.
Escape the city and go on an adventure trekking in Chiang Mai. Visit the Doi Inthanon National Park and trek to the highest peak in Thailand. Swim at the Bua Thong Sticky Waterfalls before heading back to the city. End your night by experiencing Khantoke Dinner which is a traditional dinner with cultural performances.
If you have more time, consider taking a trip to Koh Samui, one of the most beautiful islands in Thailand. You can relax on the beach and go island hopping. If you have less time, skip Chiang Mai and add an extra day in Bangkok to explore the city's temples and markets.