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

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

In the middle of one of South America's most historic walled cities lies a bar with an enormous collection of Soviet memorabilia.

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

The world's most remote airport.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.