It’s the hidden avenues that lead to the most incredible views. Now’s the time to explore our cities. | Travel Alberta

The Athabasca Oil Sands in Alberta, Canada now cover roughly 100 square miles (258 square kilometers). The facility has expanded as its production of oil increased since the 1990s - an average of 3.1 million barrels were extracted each day in 2018, which is four times as much as in 2005. Athabasca contains Earth’s largest known deposit of bitumen, a semi-solid form of crude oil that occurs as a mixture of sand, clay, and water. The additional energy required to mine and then remove the sand from