Use 'awestruck' to describe a strong, positive impact something grand or surprising has on you. Viewing the ancient pyramids, I was completely awestruck.
Pro Tip 2/3
Emotionally Charged
'Awestruck' often implies a sense of wonder mixed with a bit of reverence or fear. The children were awestruck by the magician's performance.
Pro Tip 3/3
Not Always Positive
While generally positive, 'awestruck' can describe reactions to overwhelming events, even if they're scary. She stood awestruck as the storm raged on.