A team ventured into the 2,000-year-old structures under a town in Spain and found some unfamiliar-looking animals. Take a look.

When the aqueduct must flow higher than about five feet, Roman engineers should use an arcade rather than a wall. The arched arcades require less material than walls and don't interfere with the ...

The tourist reportedly plunged from the Roman aqueduct after sitting ... and is well-preserved despite its age. At it's tallest point the aqueduct is 28.5 meters and it stretches a stunning ...