Free Walking Sightseeing Tour #4 in Cartagena, Spain

The Blind Tower is a Roman sepulchral monument from the 1st century BC. It is located on the outskirts of the historic center of Cartagena (Spain). The monument was part of a large necropolis that was located next to the main entrance road to the city. It is one of the three best-preserved Roman funerary towers in the Iberian Peninsula, with the Tower of the Scipios (Tarragona) and the Tower of Hercules (Villajoyosa).

Wikipedia: Torre Ciega (ES)

Peral was the first successful full electric battery-powered submarine, built by the Spanish engineer and sailor Isaac Peral for the Spanish Navy, in Arsenal de la Carraca. The first fully capable military submarine, she was launched 8 September 1888. She had one torpedo tube and an air regeneration system. Her hull shape, propeller, periscope, torpedo launcher and cruciform external controls anticipated later designs. Her underwater speed was 3 knots. With fully charged batteries, she was the fastest submarine yet built, with underwater performance levels that matched those of First World War U-boats for a very short period, before her batteries began to drain. For example, the SM U-9, a pre-war German U-boat built in 1908, had an underwater speed of 8.1 knots, and an underwater range of 150 km (81 nmi) at 5.8 knots, before having to resurface to recharge her batteries. Although advanced in many ways, Peral lacked a means of charging batteries while underway, such as an internal combustion engine, thus had a very limited endurance and range. In June 1890, Peral's submarine launched a torpedo while submerged. It was also the first submarine to incorporate a fully reliable underwater navigation system. However, conservatives in the Spanish naval hierarchy terminated the project despite two years of successful tests. Her operational abilities have led some to call her the first U-boat.

Wikipedia: Peral Submarine (EN), Website

The Church of Our Lady of Carmen is a Catholic temple located in the old town of the Spanish city of Cartagena.

Wikipedia: Iglesia del Carmen (Cartagena) (ES)

The Pedreño Palace, also known as Casa Pedreño, is an eclectic building built in the Spanish city of Cartagena – Region of Murcia – by the architect Carlos Mancha in 1875. It is located at the confluence of Sagasta, Carmen and Santa Florentina streets, in the Puerta de Murcia and with the statue of El Icue in front of it.

Wikipedia: Palacio Pedreño (ES)

The Nuevo Teatro Circo is a theatre in the Spanish city of Cartagena, built in its old town in 1970.

Wikipedia: Nuevo Teatro Circo (ES)

Casa Dorda is a modernist building built in 1908. It is located between Calle del Carmen and Jabonerías, in the historic centre of the city of Cartagena (Murcia). It was built by the Catalan architect Víctor Beltrí.

Wikipedia: Casa Dorda (ES)

The Casa Zapata is a modernist building designed by architect Victor Beltrí in 1909, located in the Spanish square of Cartagena.

Wikipedia: Casa Zapata (ES)

The Pilón de los Burros is a fountain and old watering hole located in the Plaza de España in the Spanish city of Cartagena.

Wikipedia: Pilón de los Burros (ES)

The walls of Carlos III are the last defensive belt that was built in the city of Cartagena (Murcia) in Spain, and are partially preserved.

Wikipedia: Murallas de Carlos III (ES)