On a riverside in eastern Austria sat a mysterious set of ruins. Some believed it to be an abandoned, run-down castle. Others ...

Ships have comfortable river-facing cabins – often with balconies – as well as different dining options, spacious sun decks ...

So do the ruins. At White River Falls State Park, both the natural and human-created attractions have become big draws for ...

When archaeologists finally excavated the ruins, they confirmed a 175-year-old theory. Locals referred ... forts were typically built near key river crossings to control trade and secure borders ...