The former jail and "Domus Municipalis," one of the oldest and most emblematic buildings in Praça-Forte, now houses memories of the most significant moments in Valença's history. The archaeological remains, a glimpse into the medieval fortification, and the military heyday of Praça-Forte in the 18th century are the highlights of this center.

A tower of medieval and seventeenth-century military architecture, it is one of the oldest stately towers. Its original main entrance was through the broken arch on the second floor, with the main façade later being moved to the opposite side. Above this façade is the coat of arms of the Counts of Pliégue.

Baroque chapel with Rococo elements, with a longitudinal plan, consisting of a single nave and a chancel. The project was designed by military engineer Manuel Pinto de Vilalobos.

Church located within the walls of the Valença Fortress, which combines Romanesque, 16th-century, late-Baroque, neoclassical and revivalist architecture.

A several-kilometer pedestrian and bicycle trail along the former railway line between Valença and Monção. The eco-path also provides close proximity to the Minho River.

A bridge connecting Portugal to Spain, with a double, flat, overlapping deck, with a maximum length of approximately 400 meters, the lower deck for road traffic, with a width of approximately 6.5 meters, and the upper deck for rail traffic. This crossing was inaugurated on March 25, 1886.

A three-nave church featuring Romanesque columns, arches, and capitals. It underwent significant alterations in the 18th century, with the replacement of the original Romanesque portal and apse.

A former Benedictine convent, extensively remodeled in the 18th century, featuring Romanesque elements. It consists of three substantial naves with Romanesque roots. In addition to the cloister, it preserves elements belonging to fountains, water features, and water fountains.

Also known as Casa da Janela, this 15th-century building features a rectangular floor plan with one- or two-story facades of exposed stonework, punctuated by rectilinear openings with Manueline decoration. The left-hand facade has some cracks that, according to locals, are caused by the 1755 earthquake.

These fortifications date back to the 17th century and were built to withstand the struggles for independence. It was one of the most important strongholds in the country. Currently, four gates and twelve bastions remain, built at different periods. Old artillery pieces can be seen on the terraces. It was remodeled in 1640.