Saudi Arabia

Saudi Arabia has revealed plans for an architecture project so ambitious that it almost beggars belief. The Line project is envisioned as a 170-km-long skyscraper home to approximately 9 million people – or around the same as the population of NYC.

London company Stufish laid out a spectacularly trippy experience for visitors to this year's One Giant Leap technology conference in Saudi Arabia, in which visitors could walk through a colossal kaleidoscope tunnel, surrounded by wild LED visuals.

Work has begun on an ambitious hotel that will be part-built into a mountain. The rock that's excavated during the build process will be reused to create the luxury hotel suites, which will offer choice views of the stunning Arabian landscape.

Foster + Partners has designed a colorful island paradise for Saudi Arabia. Named Coral Bloom, it will offer beachside luxury and be powered by a mixture of wind and solar power, backed up by an absolutely gigantic battery.

Influential French architect Jean Nouvel has produced several impressive buildings in the Middle East, but his latest project may be his most ambitious. Sharaan consists of a resort and hotel built into sandstone mountains in the Arabian desert.

Fossilized human footprints have been discovered in Saudi Arabia that help fill in the story of the early migration of our species. Dating back 120,000 years, the tracks are the oldest evidence of the presence of modern humans on the Arabian Peninsula.

In 2020, the Dakar Rally made another controversial move, this time to the endless desert sands and razor-sharp rocky outcroppings of Saudi Arabia for the ultimate torture test of man and machine. And this year's images are absolutely stunning.

Foster + Partners has been commissioned to design a new airport in Saudi Arabia. Named the Red Sea Airport, the project will serve a burgeoning luxury tourist development in the area and will be wholly powered by renewable energy sources.

Plans have been revealed for a new "Giga-Project" named Qiddiya. The huge project's masterplan is designed by BIG and will measure an incredible 334 square km (129 sq mi). It's envisioned as Saudi Arabia's new capital of entertainment, sports, and arts, and is expected to be finished by 2030.

​​Virgin Hyperloop One has expanded its relationship with Saudi Arabia, with the two announcing plans to develop a new test track in the country’s west. The facility would become the world’s longest hyperloop tube as the gulf nation eyes a wider rollout of the futuristic transport system.​

High-profile British firm Foster + Partners recently completed work on a network of train stations in Saudi Arabia. Providing high-speed links between four cities, the buildings are designed to keep visitors at a relatively comfortable temperature even during the scorching summer heat.

A major investment through the Public Investment Fund of Saudi Arabia should provide the capital Lucid Motors needs to complete its Arizona manufacturing facility and get the much-awaited, high-performance electric Lucid Air into production by 2020.