It’s the Old State House, which is now a museum. A few government agencies are also open here for free. You can enter and exit freely. However, it requires simple security check. There are not many exhibits. There is no special feature, but the building is very good.
Remains of the colonial era. The appearance is old and vicissitudes of life. It is now a city under historical protection.
It's also more convenient, and there are many attractions, you can
This is a white house, which looks a lot like the White House. It used to be the governor's residence for almost 30 years and is now a history museum.