Majestic lakes, mountains, history and even ecotourism resorts, opt for Russia’s lesser-known cities and nature parks and there’s enough to keep you exploring for weeks. Share your Russia tips in the comments below Marvel at … Marble canyon, Ruskeala, Karelia. Photograph: Shamukov Ruslan/Corbis Ruskeala, Karelia Why go? Karelia, a republic in north-west Russia, is known as one the country’s most …