When you enter this complex it is like walking onto a Sci-Fi film set.

This 47-story "M" needed 20 years to be completed

This ancient fort has been a great insight into the Roman presence in the region.

The world's first electric battery-powered submarine.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

A short walk up a small hill provides spectacular sunset and nighttime views of Kowloon

A rare surviving cluster of 1950s tenement buildings were saved from demolition after featuring in an award-winning film.

Climb to the top of the world's largest seated bronze Buddha.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

Taoism, Buddhist and Confucianism are all represented in this temple that claims to answer anyone's wishes.

There are over 12,000 Buddha statues at this temple complex that has been mistakenly labeled a monastery.

A street where pouring cider is an art form.

The surviving remnants of a destroyed medieval church now stand in a public park.

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

Made up of 3,200 recycled glass bottles, this tree pays homage to Asturia's love of cider.

This modern sculpture looks out over the sea and amplifies sound from the inside.

A network of hundreds of interconnected wineries in caves hides under the town center.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A breathtaking and biodiverse wilderness in the mountain setting of Ernest Hemingway's "For Whom the Bell Tolls."

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

This modest lottery shop draws hopefuls all year long, but come Christmas season, lines wrap around the block.

One of the most important pieces in the Madrid History Museum and one of the oldest historical models of a city in Europe

This open-air sculpture museum is located under a bridge in the center of Madrid.