What to do in Dois Portos e Runa

An icon of the region, the striking orange-and-yellow Pena Palace stands out amid the lush forest-covered Sintra Mountains. Inspect the eclectic architecture and ostentatious interior of this former royal summer retreat and stroll through the pretty surrounding park, where you’ll find temples and other follies hidden among the trees and flowers.

Immediately identifiable by its two white cone-shaped chimneys, the spectacular Sintra National Palace is part of the UNESCO-listed cultural landscape of the town. Explore the lavish interior and learn about the palace’s fascinating history, which stretches back to Moorish times.

The Lisbon Oceanarium is the largest indoor aquarium in Europe and houses more than 8,000 fish, birds, mammals and invertebrates. Bring the family to be entertained while learning about conservation and ocean habitats around the world.

The Gulbenkian Museum houses about 6,000 pieces of mostly ancient artifacts and artworks. Discover Greek vases and coins, Roman glass, eastern Islamic tiles and carpets and sculptures by European masters.

The fantastical villa and gardens of Quinta da Regaleira encompass elements of Roman, Renaissance and Manueline styles. Explore the property and soak up its otherworldly atmosphere. With its offbeat architecture, mysterious follies and network of underground tunnels and caves, the site seems to more closely resemble a movie set than it does a real-life abode.