Find out the error part of the following sentences:
My neighbour along with his children (1)/ is going tonight (2)/ to see a Taj Mahal (3)/ at Agra. (4)/ No error (5)

Explanation

Taj Mahal के पहले A की जगह The का प्रयोग, क्योंकि Taj Mahal एक historical building है।