The National Museum
Václavské nám. 68
Prague 1
tel: 2421 4537
Official Site: 
At present the National Museum shelters almost 14 million of items from the area of natural history, history, arts, music and librarianship, located in tens of buildings. Throughout the entire year, visitors may view the permanent exhibits of the National Museum as well as a number of temporary exhibits. 

Prague Tourist Information