The Vatican is an accumulation of remarkable buildings and art; it is the smallest sovereign nation, and yet one of the most powerful. If it had a gross national product it would be measured not in money, but in souls. The National Geographic Channel provides an unprecedented look at what goes on deep inside this remarkable place.

At Knebworth House, a drafty and ornate 15th-century castle in Hertfordshire, England, the major players behind the movie Harry Potter and the Sorcerer's Stone, talk about bringing the much-loved book to the screen.

For the first time in the history of the World Wide Web, native English speakers no longer dominate the Internet, according to a new report.

Although the terrorist attacks of September 11 have raised anxieties about travel and affected the entire industry, determined Americans can find good opportunities—and some bargains. A Q&A with the editor of National Geographic Traveler.

A large set of specialized bone tools from a South African cave is forcing scientists to rethink a key idea about human origins: when "modern" behavior emerged. A growing body of evidence suggests it occurred much earlier than assumed.

Tiny cameras hidden in clothing, eyeglasses, ballpoint pens, and even ordinary objects like smoke detectors and light bulbs are able to secretly monitor people anywhere. Since the terrorist attacks on the United States in September, a large Texas supplier of the technology reports heightened interest in the spy cameras.