An imposing Omani fortress surrounded by date palm trees.

A Christian monastery stands on what was once a holy Incan temple.

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

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

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

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

This tiny shop has been serving traditional tamales for more than 200 years.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

Cathedral carved out of salt, located a mile below the earth's surface.

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

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

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

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

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

The world's largest frame offers spectacular views of the city's past and present.

The first hospital in the New World.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

Watch butterflies take flight before you fly.

Singapore's oldest Hindu temple.

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

Once the private home of China’s most legendary tycoon, getting inside this stunning mansion no longer requires an elite pedigree or acts of daring.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.