Wonderful sights delight walkers at every turn in this culturally rich and charming part of Lisbon, which through its architecture reminds visitors of its Visigothic roots, Arabic influence and fishing port heritage.

The Oceanário de Lisboa is a world-renowned public aquarium, an inspiring “window” into the ocean, establishing an emotional connection with the public, and encouraging positive personal relationships with the ocean. Oceanário de Lisboa is one of the largest aquariums in Europe -featuring over 15,000 marine creatures from 500 species! - and one of the most visited places in Portugal, just 10 min. away from Lisbon airport. It has been recognize for three times as the "best aquarium in the world" by TripAdvisor's Travellers'Choice. Visitors can see, among others, Magellanic penguins, sea otters, rays and several species of sharks and corals. The ticket includes three exhibits - and it contributes to the conservation of the ocean and marine biodiversity. This attraction is a popular stop on hop-on hop-off bus tours in Lisbon, including audio guides in several languages. – Tripadvisor

This fairytale-like country estate and UNESCO World Heritage Site located near Sintra’s historic center is known for its beautiful architecture, landscaped gardens, and the eerie Initiation Wells. Take a guided tour of the property to learn more about its enthralling history, and explore other mysteries like the underground tunnels, grottoes, chapel, and more. The estate gets busy so visit once it opens for a quieter experience; tickets often sell out too so book early to secure your slot. Explore Quinta da Regaleira on a tour of Sintra, which often includes stops at other iconic sights like Pena Palace and Roca Cape. – Tripadvisor

No expense was spared when they built this masterpiece of Manueline and Gothic architecture in 1502, which was inspired by Vasco da Gama who is buried here with other great navigators of the past.

A 16th-century tower which serves as a monument to Portugal's Age of Discovery on both land and sea.

Home to art galleries and a historic monastery (Convento do Carmo), Bairro Alto is one of the busiest districts of Lisbon after dark. Locals and travelers pack its narrow streets to hang out outside the area’s countless bars. Try ginjinha, a local liqueur, as you listen to live fado music. During the day, you can stroll through the neighborhood's narrow streets and check out the quaint boutiques and cafes. To get to Bairro Alto, take the eye-catching Glória Funicular at Liberdade Avenue. It’ll drop you off at the São Pedro de Alcântara viewpoint, where you'll get commanding views of the city. – Tripadvisor

One of the biggest squares in Europe, this stylish area in downtown Lisbon often displays beautiful works of art and sculpture, and is a great place for a leisurely stroll.

With works ranging from Antiquity to the early 20th century, the Founder’s Collection comprises more than six thousand pieces gathered throughout Calouste Sarkis Gulbenkian’s life, including Egyptian Art, Greco-Roman Art, Islamic Arts, Painting, Sculpture and European Decorative Arts. Works by great masters such as Rubens, Rembrandt, Turner, Degas and René Lalique’s largest set of jewels are just a few examples of what can be found in one of the best private collections in the world. Besides the Founder’s Collection, the Calouste Gulbenkian Museum is also comprised by the Modern Collection, which features the largest and most complete collection of modern and contemporary Portuguese Art. The Calouste Gulbenkian Museum is surrounded by one of the most emblematic modern gardens in Portugal, open all year. The Museum offers a wide range of facilities to improve the visitor’s experience: three cafeterias overlooking the Garden, a museum shop, free cloackroom service and free Wi-Fi.