Most Beautiful place Rani Mahal is a Rana palace located in the banks of Kali Gandaki River in Palpa district of Nepal. This palace was constructed by General Khadga Shumsher JBR in 1893.
In 1887 General Khadga Samsher Rana was forced to drop his royal titles and was sent to Palpa-Gauda as the Western Commander in Chief of Nepal. At Palpa-Gauda in 1892 Khadga Shumsher’s beloved youngest wife Tej Kumari Devi died and within a year Khadga built a palace and named after his wife as Rani Mahal (Literary translates as Queens Palace). He also named the nearby forest as Rani Ban (Rani forest) along with naming the Ghats as Rani Ghat. [1] In 1902, Khadga Samsher Rana along with his family fled from Nepal to India abandoning Rani Mahal which resulted in negligence of Rani mahal and eventually this palace structure started crumbling.
Current Status, Reconstruction & Restoration

As the Khadga Shumsher abandon the palace and fled to India, Rani Mahal was left behind without any proper owner or caretaker. The palace got out of concerned by both the government of Nepal as well as locals. Rani Mahal was largely turned into rubbles but by the end of 20th century. Very less visitors used to visit the palace those who have some peak concerns or interest on history of Nepal.
In present, Government of Nepal has started the reconstructions and restoration program to repaired and rebuild the palace into its original state. This will not only preserves the national historical properties, but also increases the possibilities of tourism in the area that results in various developments.

Currently, there is no motorable road to Rani Mahal. A foot trail from Kailashnagar near the Batasedanda, about 3 km from Tansen leads to Ranimahal. It takes about 3-4 hrs walk to reach Rani Mahal from Batasedanda.
Rani Mahal is considered as the “Taj Mahal of Nepal” due to its relative location in Kalighandaki River over a huge rock. source : wikipedia