One the major building you may find in Muscat is the Grand Mosque. It is devoted to the spirituality of the Oman people. Whether you pass by night or day, it is a architectural wonder made in the Middle East style of Mosques.
As it is a place of worship, non-Muslims may not enter as they will. However, guided tour are offered everyday from 8am to 11am.
One of the gate with the golden globe
I'm sure my mom would love having such lights