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

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

This whimsical home made entirely from clay is basically a giant piece of pottery.

An ancient city hidden in the heart of the Sierra Nevada mountains.

A little known Colombian theme park of giant curiosities.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

An explosion of natural color known as "the river that ran away from paradise."

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

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

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.