What looks to be an idyllic mini castle seamlessly floating on the Tagus riverfront was originally a fort that served to protect Lisbon's port ... Visitors can go inside and explore the interiors ...

For some sweeping views of Lisbon – particularly Rossio Square ... former student of Gustave Eiffel – creator of the Eiffel tower), this neo-Gothic elevator is more than a century old and ...

It is a symbol of maritime Lisbon, and is reached via a walkway raised out over the water on timbers. Inside it is filled with intricate stonework and has wide Atlantic views. Insider’s tip ...