This fortified sand barrier dividing a contested territory is the longest minefield in the world.

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.

The oldest of its kind in the country, this tree sits where formerly enslaved people are said to have founded the city of Freetown.

This giant statue is the product of a mixture of corruption, Stalinist architecture, and North Korean manpower.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

The dead gigantic radio tower of Liberia.

Located in Nairobi National Park, this animal orphanage is the oldest of its kind in Kenya.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

The "Mother Temple of the Pacific Islands" stands at the center of 20 acres of lush, tropical prayer gardens.

A museum now occupies the mansion in Samoa where the prolific Scottish writer chose to spend the last years of his life.

Africa's Venice on stilts.

The artist behind this historical depiction of transportation remains a mystery.

The UFO capital of Australia is the outback’s answer to Roswell.

This former hostel is now an art gallery and a memorial for 15 backpackers who lost their lives to a tragic act of arson.

An engineering masterpiece, or “Scheme of Madness?”

Visible from both land and sea.

This Western Australian mint was established during the height of the Australian gold rush.

The holes in the world's longest golf course are in a series of different towns.

Hundreds of people walk past this palm tree every day without spotting its secret.

Australia's first open air museum and antique 3D theater.

The city’s oldest gateway to the galaxy lies at the entrance to the Royal Botanical Gardens.

A beautiful hike through national parks, forests and beaches in Western Australia.

An island off the coast of South Australia is home to the last purebred Ligurian bees.