- lonelyplanet.com PortugalLISBON, circa 2017 - Wide establishing shot of Palacio Fronteira Palace, aka Palacio dos Marqueses de Fronteira, one of the hidden gems of Lisbon, Portugal...
- portugal.net en/lisbon/things-to-do-lisbon/The Castle was freed from the Moorish in 1147 by king Alfonso Henriques thanks to the help of the crusaders, during an episode known as the Siege of Lisbon.
- en.wikivoyage.org wiki/LisbonLisbon is built on seven hills, so getting around Lisbon can be a workout. Many slopes and few really flat areas is one of Lisbon's trademarks.
- freetour.com lisbonGet your Free Walking Tour in Lisbon and discover its culture, incredible sites, stories & legends with entertaining and passionate local guides.
- getyourguide.com lisbon-l42/Discover a unique and electrifying experience with our Boat Party! Embark on a fascinating journey at sunset along the Tagus River, exploring the charms of Lisbon.
- avanihotels.com en/lisbon/things-to-doIn Lisbon, things to do includes exploring the beautiful city of Lisbon in a go car, tuk tuk, helicopter or a segway and sailing off into deep ocean on a yacht.
- lisbonacard.com en/In fact, Lisbon card holders will be guaranteed a discounted price in several businesses that display the "Lisboa Card" sticker at the entrance.
- viator.com Lisbon/d538Looking for things to do in Lisbon? Explore the must-dos and hidden gems on Viator and easily book Lisbon tours, attractions, and experiences you'll never forget.
- atlasobscura.com things-to-do/lisbon-portugalDiscover 37 hidden attractions, cool sights, and unusual things to do in Lisbon from Rhinoceros of Belem Tower to Estufa Fria.
- gotoportugal.eu Lisbon Top 20 of the places to visit in Lisbon18. Lisbon Zoo. 19. Cristo Rei National Sanctuary. 20. Oceanário. Itinerary to visit the most beautiful places in Lisbon. Where to sleep in Lisbon.