The Great Wall of China: This 13,000-mile long snaking fortification is a marvel of human engineering and is visible from low-Earth orbit.
The Great Barrier Reef: The world's largest coral reef system stretches for over 2,300 kilometers over an area of approximately 344,400 square kilometers
The Arabian Peninsula: The vast desert expanse of the Arabian Peninsula with its distinctive jutting shape is easily recognizable from space.
The Amazon Rainforest: The massive green expanse of the Amazon Rainforest, the world's largest rainforest, is a stark contrast to the surrounding areas and clearly visible from space.
The Nile River: The long, winding ribbon of the Nile River, the longest river in Africa, cuts through the desert landscape, making it easily visible from space.
Las Vegas Strip: The bright lights of the Las Vegas Strip stand out in the middle of the desert, making it one of the most artificially lit places.
Man-made Canals: Large man-made canals like the Suez Canal and Panama Canal can sometimes be seen from space, depending on the lighting conditions and the astronaut's vantage point.
Las Vegas Strip: The bright lights of the Las Vegas Strip stand out in the middle of the desert, making it one of the most artificially lit places.
Source: National Aeronautics and Space Administration (NASA) Earth Observatory