Photos show the ancient Roman structure. Photo from H. Wraunek, Land NÖ via the Austrian Academy of Sciences On a riverside in eastern Austria sat a mysterious set of ruins. Some believed it to ...

On a riverside in eastern Austria sat a mysterious set of ruins. Some believed it to be an abandoned, run-down castle. Others thought it could be the remnants of a unique, ancient Roman structure.

"There's a large playground, a splash park in summer; it's got wildlife and the Roman wall. People really value ... "It's very common, most parks in London have this. "We hope to be able to ...