Located outside Medellín, this Colombian park focuses on conservation and sustainability.

This city park wants you to take your shoes off.

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.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

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

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

Enchanting cave with a river crashing through the roof.

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

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A park with one large cat sculpture and 15 smaller ones, all painted by different Colombian artists.

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

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Banksy gives themself artistic license with this piece of London street art.

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

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

Famously misunderstood wonder of the ancient world