Honolulu: What should I see in 8 hours during layover?
If you can get get there early in the morning before it is crowded go on Pearl Harbor. If you have a car drive to the Nuuanu Pali Lookout where you can see the entire windward part of the island. Continue on to Kailua Beach...
Muir Woods: Getting to Muir Woods + Sausalito on our own or on a Tour?
About the only way to stick with your time goals (morning in Muir Woods Trail, afternoon in Sausalito) is to rent a car and drive there. If you rent a car and get up early and drive, you'll have no trouble getting there and finding...