At Kathmandu we will visit stupa like Swayambhunath and Boudhanath. We will also visit Kopan Monasteries. We will also visit Pharping where there is statue of Padmasamava. There is asura cave where Padmasmava got enlightenment. We will also visit Patan where you can visit Golden temple and thousand Buddha temple.
Namobuddha is the place where a prince (Buddha) gave his own flesh to hungry tigress which had given birth to small clubs. There is also one of the biggest monasteries at Namobuddha.
Lumbini is the birth place of Lord Buddha. We can visit the birth place of Budhha and there are lots of monasteries made by different countries at Lumbini. There are other historic sites in Lumbini to visit.