a grand spiral stairway that cascades down a central light well like a peeled orange. “My design process started with the ...

These 30 beautiful staircase ideas transform your space with thoughtful decoration and design, making your staircase the ...

NASA likened the galaxy to "a grand spiral staircase sweeping through space" with its arms made up of lanes of newly-formed stars. The below image of M51, also known as the Whirlpool Galaxy ...