Wat Phothisomphon วัดโพธิสมภรณ์ Udon Thani
Built in the late reign of King Rama V. Inside, there is also a museum of revered monks famous for meditation.
A new temple has recently been built with a golden spire, it can be seen on the horizon of Nong Prajak Park. The artwork inside can be seen in the images below.
Please follow basic temple etiquette when visiting any temple in Thailand. See this link for more information http://thailandforvisitors.com/general/templetikit.html