This beautiful building in the heart of Manhattan's Financial District was empty for decades.

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

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

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

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

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

At this beautifully preserved Pre-Hispanic site, you can see ancient petroglyphs with depictions of llamas and alpacas.

The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.