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Photo: Warrendering, CC BY-SA 4.0 via Wikimedia Commons
This 7-chamber limestone show cave features a chapel & numerous rock formations.
The Peñablanca Protected Landscape and Seascape is a protected area and national park in Peñablanca, Cagayan. It is on the border with Isabela province, contiguous with the Northern Sierra Madre Natural Park. The protected area, best known as the location of Callao Cave, covers the largest block of forest under conservation in the province. It covers 118,781.582 hectares of the northern Sierra Madre mountain range and its adjacent Pacific coast.
© OpenStreetMap contributors
the place is beautiful, gatorade blue water, you have to hike for 20-30 min to the river, cave exploration 'was' optional.
The headquarters of the provincial government of Cagayan, housed inside a sprawling gated complex.
Tuguegarao Cathedral
The seat of the Archdiocese of Tuguegarao. The church with the belfry is the biggest Spanish colonial church in Cagayan Valley built by the Dominicans. It was constructed from 1761 to 1767 under the supervision of Fr. Antonio Lobato, OP. The cathedral suffered massive destruction in World War II losing its pipe organ, three wooden retablos, pulpit, wooden choir loft and the painted wooden ceiling all of which were from the early 18th century. The complex was rebuilt by Msgr. Bishop Constance Jurgens who is now entombed inside the church. The Cathedral is also said to be one of the beautiful structures that stood in the land and because of that impression, its portrait can also be seen in Vatican City. The traditional ringing of the cathedral bells for the Angelus and during Mass is still being practiced today. Its belfry is visible from a distance of .
This is a general museum that houses an extensive collection of artifacts, antiques, ethnography, trade wares, heirloom pieces and liturgical works of the province and fossils of animals that once roamed the valley. The museum houses extensive data on the discovery of Callao Man by the National Museum of the Philippines. Since 2023, it is housed in the old provincial jail, which in turn used to be the Casa Tribunal de Cagayan that was built in 1877.