Video: 60 seconds at the Animas River, Durango, Colo.

Musee des Egouts de Paris, France

Paris (France)Arts and CultureMuseums
Aside from the Eiffel Tower, the Louvre and Notre Dame Cathedral, Paris, often called the City of Romance, is also home to the Musee des Egouts de Paris, or Paris Sewer Museum. Museum visitors can tour part of Paris' extensive underground sewer system. This stretch, fortunately, is protected... Chris Yunker