Pokhara is the only such amazing city where you stand on the level of around 1000 meters from sea level to over 8000 meters tall mountains!!!
Kathmandu valley is jewelled with three ancient cities- Bhaktapur, Patan and Kathmandu itself. They were different kingdoms till 1768 AD. This medieval period in Kathmandu is known as the Golden period.
The best tour in Nepal covers kathmandu, Pokhara, Lumbini and jungle safari in Chitwan National park. The activities include walking to the world heritage sights, driving, rafting and jungle safari.