Dagana is named after the historic Daga Trashiyangtse Dzong that was established in 1651 by Zhandrung Ngawang Namgyel, the first person to unify Bhutan in the 16th century. The dzong still serves as the centre for the government district administration today. Dagana is a verdant region with 80% of it under forest cover that comprises of environmentally protected areas and wildlife sanctuaries. The Phibsoo Wildlife Sanctuary is one of the known sanctuaries in the region.
Some of the prominent attractions are:
According to the local myhts, the three stone Megaliths Do Namkhai Kaw (The Rock Pillar of the Sky), Do Kelpai Genthey (The Rock of Ancient Steps) and Namkhai Dzong (The Fortress of the Sky) are known to have transmitted telepathic messages to help in the construction of the Daga Trashiyangtse Dzong.
- Shathong Lhakhang
This temple was said to have been founded by a famous Buddhist Master, Dupthob Shawa Ripa, who is believed to have lived for over 900 years.