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

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

This picturesque mansion has gone from opulent ruin to nature museum.

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

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

A dangling church built over a Colombian gorge.

The remnants of an archaeological camp stand within Tikal National Park.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Volcanically heated hot springs.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Former hotel turned into haunted playground.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

A military museum and library dedicated to the citizen soldier.

Orthodox church partially financed by Tsar Nicolas II.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

The 30,000-volume library is one of the world's most impressive poetry collections.

An avant garde art museum at the University of Chicago.

This awkward aquarium sculpture is one of the strangest statues in Chicago.