Across the U.S., there are castles that rival anything you'd find in Europe. Here are several unique castles in the U.S. that are simply extraordinary.

Still standing after nearly 550 years, Olavinlinna or St. Olaf's Castle, is the northernmost medieval stone fortress in the world, lying about 220 miles from Helsinki. As the origin of uncountable ...

Trakai Castle is an attraction in Lithuania that deserves praise, thanks to its unique architecture showcasing unique medieval defensive tactics built on the island of Lake Galve. It's the only ...

these castles—some intact and some in ruins—whisper tales of intrigue, ambition, and resilience. Each property offers a unique glimpse into England's past, from medieval fortifications to ...

It went on sale earlier this month. “The castle is a unique relic from the medieval period tucked in a breath-taking landscape,” said Guy Bradshaw, senior director of sales at U.K. Sotheby’s ...

Step inside Ballintotis Castle, a two-bedroom, private detached medieval castle located in Ballintotis ... located in the existing mural passage. A unique feature of the property is access ...