France's most famous cemetery, with some of its most curious tombs.

A snapshot of the city's fascinating voodoo culture.

An architectural oddity hides in plain sight on this iconic London bridge.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Pop culture has helped to keep this iconic British building from being destroyed.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The first hospital in the New World.

Built in 1512, the oldest cathedral in the Americas.

This replica medieval European village in the Dominican Republic was built by a Hollywood set designer.

A lighthouse marking the northernmost point of continental South America.

The 17th-century hacienda where Simón Bolívar spent his last days before dying from tuberculosis.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

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.

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

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

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

Three hundred illuminated pillars form an “artificial forest” in Medellín.

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