One great thing about the US copyright system is how things made by the US government are public domain. All these maps are public domain. Many other countries

One great thing about the US copyright system is how things made by the US government are public domain. All these maps are public domain. Many other countries do not do that. Why is why OpenStreetMap started off in UK and is big in Europe. So yes, many countries will sell you raster/sheets of topographic details, but it won't be open.