Robert Hughes has been a regular visitor to Barcelona since the 1960s and published a book about the city in 1992 that was quickly hailed as a classic. In Barcelona the Great Enchantress, Hughes craft
Find the best National Geographic picks in 32 amazing national parks including Yellowstone's Lamar Valley, the Everglades' Nine Mile Pond Canoe Trail, and Yosemite's exquisite Snow Creek Trail. Discov
