Sintra, Pena Palace and Cascais Half-Day Trip from Lisbon. Experience Portugal’s most beautiful attractions on this half-day guided tour of Sintra, Pena Palace (Palácio da Pena) and Cascais from Lisbon. Near Sintra you must experience one of Portugal’s Seven Wonders, the spectacular Pena Palace standing atop a hillside. With a guide discover fascinating stories about this palace and Portuguese history in general. You will also visit the lovely beach town of Cascais and admire picturesque views in Cabo da Roca, the westernmost extent of continental Europe. Book and Save 10% Off Sintra, Pena Palace and Cascais Half-Day Trip from Lisbon.