Glacier Point gives you a classic panoramic view of Yosemite Valley and Half Dome. You can access Glacier Point via Glacier Point Road which opens in mid to late April and is subject to close depending on weather. The trail head is just a short walk from the parking lot.
Glacier Point gives you a classic view of Half Dome and Yosemite Valley. You can get a different perspective of Half Dome if you jump on any of the trails heading out of Glacier Point. Illilouette Falls trail gives you a different view of Half Dome. This trail is around 4-5 miles round trip from the Glacier Point parking lot.