Commonly called the “Eye of the Sahara,” the Richat Structure is a deeply eroded dome whose exposed rock dates all the way back to the Proterozoic age. Should you care to glimpse into the depths of the desert, you’ll have to travel to Mauritania.

The largest city in the Herzegovina region is also one of the most important. In addition to its rich history, the city is home to one of the most exemplary fixtures of Islamic architecture in the Balkans. The piece in question is a bridge–often called “Old Bridge”–and it was built by the Ottomans way back in the 16th century.

Source: SM Wall

These days, environmentalists aren’t only interested in saving the earth. They’re also consumed with finding ways to make green living affordable, stylish, and fun. From moss bathmats to re-imagined architecture, eco-friendly designs now rival traditional design schools of thought in appearance and functionality.

Incredible Roofs

Source: Lowes For Pros

Green roofing has been around in some communities for decades, but only recently has it caught on as a worldwide trend. These eco-friendly roofs are visually pleasing, but also incredibly kind to the earth. They can reduce a phenomenon known as the urban heat island, a troubling trend where urban areas measure higher temperatures than surrounding rural areas, and the roofs can also reduce the building’s energy consumption.

Source: Feldman Architecture

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