Belém Walking Tour in Lisbon Including Skip-the-Line to Monastery of St Jerome and Belém Tower. Get acquainted with Lisbon's enigmatic Belém district on this 1.5-hour walking tour. See iconic landmarks like the UNESCO World Heritage–listed Belém Tower (Torre de Belém) and hear about where the ‘pastel de nata’ (custard pastry), a world-famous Portuguese staple, was invented. You’ll also receive skip-the-line admission to the Monastery of St Jerome and visit the Monument to the Discoveries. This small-group tour is limited to just 14 participants. Book and Save 10% Off Belém Walking Tour in Lisbon Including Skip-the-Line to Monastery of St Jerome and Belém Tower.