Big Sur is in California.
The rugged coastline of Big Sur is breathtaking. You can best see it driving along the Pacific Coast Highway (there are plenty of places to pull over and take pictures, but be careful both while driving and standing along side the road - the scenery is a real distraction!).
Big Sur is also known as a destination for the "Merry Pranksters" in the 1960s.
You can take Highway 1 (Pacific Coast Highway). It is about 26 miles south from Carmel.
Point Sur Lighthouse State Park. Located 19 miles south of Carmel, you can't miss Pt. Sur. It's the big rock jutting from the shoreline like it was thrown there by a giant. On top of the rock, you can clearly see the Pt. Sur Lighthouse and buildings. The standard three hour tour is worth it if you have the time and would like to get some incredible views, learn a little history and do something a little bit different than the standard California coastal tourist fare.