A cross inlaid in the floor of a library marks the spot where Indiana Jones has to dig to access the ancient catacombs of ... To find catacombs, go to Rome, home of some of the oldest and longest ...

It’s a tale that reads like an ancient comic strip. Take Trajan’s Column for a spin: Click the arrows at left for a guided tour, or explore on your own by dragging the images. (Trajan is ...