America is the home of the road trip. See some of the country's best urban adventures through the lens of National Geographic.
The streets of San Francisco promise a vibrant, urban roller-coaster ride.
The history-rich "Hub" is also the heartbeat of modern New England.
Charleston offers a taste of the Old South and a healthy helping of Low Country life.
Hawaii Volcanoes National Park
Earth's fiery birth is on constant display in this land of lava.
For drivers, Hawaii's garden island is paradise found.
Photographs by: Royalty-Free/Corbis, Tony Arruza/Corbis, Jan Butchofsky-Houser/Corbis, Royalty-Free/Corbis, Galen Rowell/Corbis (top to bottom)