12 Must-Visit Temples in Thailand for a Spiritual Retreat Photo by Hery Agus on Unsplash White Temple, Chiang Rai The White Temple, or Wat Rong Khun, is a spectacular temple in the region that will leave you in awe. Wat Arun is among the top temples in Bangkok that you cannot miss if you want to have a spiritual journey through Thailand’s sacred temples. Final Thoughts on Thailand’s Sacred Temples A spiritual journey through Thailand’s sacred temples is one of those must-experience things you cannot miss out on if you want to brag about your trip to Thailand.