World's Sexiest Cities

One of my favorite travel magazines, National Geographic Traveler (check prices), asked its contributing photographers to name the world's sexiest city. Here's what they chose, covered in depth by my About Travel colleagues:

• Perugia, Italy
• Copenhagen, Denmark
• Prague, Czech Republic
• Ho Chi Minh City, Vietnam

Agree? Disagree? Have you visited an even sexier city? Add your favorite by clicking on "Comments" below.