The oldest castles in the world that are still open for visitors unveil centuries of history within their walls and stones.

Created in the year c.3000 BCE, the Citadel of Aleppo, located in Aleppo, Syria is the oldest and largest castle in the world. Built atop a hill in Aleppo, the castle was declared a UNESCO World ...

The First Presbyterian Church’s rare sandstone bricks will be transported to Washington, D.C., where they'll be used to ...

Spain's oldest castle that's over 1,000-years-old in an underrated beautiful town The castle has remained remarkably well preserved and is open to visitors for a small entrance fee.

An ancient vanilla pod, buried for centuries, was unearthed at Prague Castle’s Vladislav Hall. It’s the oldest known vanilla pod found in Europe.

Police have confirmed to PEOPLE that a suspect attempted to intrude the grounds of Windsor Castle on Sunday, June 1.

An ancient vanilla pod, buried for centuries, was unearthed at Prague Castle’s Vladislav Hall. It’s the oldest known vanilla pod found in Europe.

Windsor Castle, situated in Berkshire, has been home to British kings and queens for nearly 1,000 years - it's the oldest and largest occupied castle in the world ...

The oldest and largest inhabited castle in the world with over 1,000 rooms The castle is currently home to over 500 residents and staff, from chefs and gardeners to butlers and librarians.

An ancient vanilla pod, buried for centuries, was unearthed at Prague Castle’s Vladislav Hall. It’s the oldest known vanilla pod found in Europe.

An ancient vanilla pod, buried for centuries, was unearthed at Prague Castle’s Vladislav Hall. It’s the oldest known vanilla pod found in Europe.

An ancient vanilla pod, buried for centuries, was unearthed at Prague Castle’s Vladislav Hall. It’s the oldest known vanilla pod found in Europe.