From fortresses to ornate palaces, these structures are worth traveling for. This gorgeous medieval castle endured wars with little damage—in fact, it's looked pretty much the same since the late ...

Here are five hidden Welsh castles that deserve a place on every history lover’s bucket list.

While England boasts world-renowned castles like Windsor and Warwick, which draw visitors from across the globe, the country also plays host to lesser-known castles equally grand and rich in history.

The colorful castle sits high in the hills above the town of Sintra, Portugal. Built in 1854, the castle is still often used by the President of the Portuguese Republic and other government officials.