The Roman temple of Alcántara is located at one side of the Alcántara Bridge, Cáceres, Extremadura. Along with the Roman temple of Vic, it is one of the only two Roman temples preserved nearly complete in Spain.
Wikipedia https://en.wikipedia.org/wiki/Roman_temple_of_Alcántara
Address (Unnamed Road), 10980, Spain
Coordinates 39°43'17.975" N -6°53'29.449" E