The colonial city's social history is reflected in its fanciful door knockers.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

Astronomical observatory above Lake Titicaca.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

This likeness of the famous revolutionary is entirely made of recycled scraps of metal.

The soaring gondola lines form the longest aerial cable car system in the world.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

Perched atop the highest hill in Cartagena, this 17th-century convent offers spectacular views of the city.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

The religious shrine that Pablo Escobar's men would allegedly visit before completing a mission.

Two identical statues by Fernando Botero, one blown to pieces in a terrorist bombing, the other donated as a gift for peace.

In the heart of Medellín, an artsy urban complex sets the stage for demonstrations and protests.

A museum of memories in what was once one of the most violent cities in the world.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

The Andean town where every single building is decorated with a brightly colored frieze.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

This tiny shop has been serving traditional tamales for more than 200 years.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

Storied crypts fill the most famous cemetery in Colombia.

The entire town looks like a slice of Spain that was carted across the ocean and plunked in the Andes.

Cathedral carved out of salt, located a mile below the Earth's surface.

A magical world of elves and fairies tucked amongst the trees in Colombia.