Ashgabat, the capital of Turkmenistan, holds the record for the highest density of white marble-clad buildings anywhere in the world. The city has 48 million square feet of the stone -- the equivalent of 632 full size soccer pitches. We get a look at one of the world's greatest architectural curiosities.

On the day that the Olympic flame is lit we shift our lens to Brazil, the host of the 2016 Olympic Games, to bring you an alternative, cultural guide to the country that gave the world Gisele, Pelé and Walter Salles. Watch the video above for your A to Z of Brazil.

Georgina Ripley, Curator of Modern & Contemporary Fashion & Textiles, guides us through the most visually stunning and historically impressive garments hidden in the museum's archives.

While other artists turn to the easel with paint or pastels, Cai Guo-Qiang prefers to make a statement with explosives.

Jaime Derringer, founder of modern design magazine Design Milk, chooses her most coveted items from Salone del Mobile 2016.

The Bentley Bentayga and the Holland & Holland Range Rover are two new ultra-luxury SUVs. How do they stack up against each other?