Earth Explorer is an incredible tool for global exploration to go thorught he world in 3 D by jeans of DEM. You may visit thousand of places in the world even cities and islands, with high quality images and diverse information on the country you are exploring.
Apart form the photographic part, we may say that its geopolitics and fluvial information data is really impressive, you may find a precise point by means of longitude and latitude in the global plan.
You count with a compass and an option to calculate between two points in any part of the world. Finally, you may activate the night mode to make the same way but at night. Some of the Earth Explorer functions need Internet connection.