This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

Elaborate tile work in this railway station tells the story of Portugal.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This ship offers visitors the chance to spend the night aboard a former floating hospital for fishermen.

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

A replica of the Roman emperor in glorious full color.

In a fusion of myth and mischief, this statue is a testament to this university's quest for both knowledge and pleasure

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.