Thousands of flamingos and other bird species flourish in these Camargue wetlands.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

The world's tallest bridge is also possibly the most elegant.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

An enormous, inside-out glass globe built in 1935.

The oddly shaped, steam-spewing building is now an art studio and gallery.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

A crumbling hospital from the 1850s on Roosevelt Island.

One person's lost luggage is another person's treasure.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

A Christian monastery stands on what was once a holy Incan temple.

This high-Andean reserve protects the graceful vicuña that was nearly hunted to extinction for its precious wool.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Huge stone depressions which may have acted as an Incan agricultural experiment.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Ancient pueblos built into the base of a natural canyon wall.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

This rustic old building is said to be the most photographed barn in America.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.