The largest camel market in West Africa

Thousands of colorful pirogues showcase ingenious craftsmanship at the largest fishermen port in Nouakchott.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

This remarkably well-preserved mosque stands amid an 11th-century caravansary.

A geological bull's-eye visible from outer space.

An architectural relic that survived the hands of time.

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

In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

Most prolific publishing house in the 1600s open to the public.

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

The world's first crowdfunded skyscraper has not gone quite to plan.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

A celebration of Colombia’s premier contemporary artist.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

What happens when you cross a mayor and a painter?

A museum dedicated to secret surveillance.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A memorial to the atrocities of the People's Socialist Republic of Albania.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

The statue of a legendary giant who carried Christ and shouldered the world's sins.