The haunting beauty of this little-visited wreck makes it a true hidden treasure.

Spend the night in this formerly abandoned traditional Scottish village.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

An ancient chamber filled with wonderful rock art and a Neolithic carving of a human face.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

This tribute to Sunderland's mining past stands outside the home of its football club.

One of the largest and oldest caravansaries in Persia.

Nineteen ancient rock-cut Buddhist caves can be found on the outskirts of Mumbai.

This abandoned Brutalist treehouse is a hidden architectural relic.

A giant rooftop ride with unbeatable views of Matsuyama city, the nearby mountain ranges, and the Inland Sea.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

Norway has built what may be the world's most beautiful public toilet.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

You would never come across this tiny green oasis if you didn't know it existed.

Ernest Hemingway was the first to sign this colorful wall covered in thousands of celebrity signatures.

The hellish conditions of this abandoned mine that snakes beneath the Pacific Ocean gave it its diabolic name.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

This impressive system of tanks was used to store drinking water as long as 2,000 years ago.

Stunning ruins of what was once the center of one of the greatest empires in East Africa.