The Orthodox church of the Dormition of the Mother of God in Piața Unirii, built in 1784–1790 and known for the globe in its tower that shows the phases of the Moon, in a mechanism of 1793.
An eclectic palace of 1902–1903 on Piața Unirii, home to the city hall, with a tower of almost 50 m: its clock plays Iancu's March, and the top gives a view over the rooftops of the centre.
Oradea's zoological garden, open since 1962 on the grounds of a noble park with a chapel, rebuilt between 2010 and 2013 and now covering 7.5 hectares, with tigers, wolves, bears, zebras and dozens of other species.
The Oradea State Theatre building, designed by the Viennese firm Fellner & Helmer and opened in 1900: an Ionic portico on Piața Ferdinand and an auditorium with boxes and a balcony, still in use every week.
The Cathedral of the Assumption, built between 1752 and 1780: the largest Baroque church in Romania, with an organ given by Maria Theresa and an interior of marble, frescoes and gilding.
A wild waterfall on the Ieduțul stream, hidden among ferns and fir trees above the Iad Valley, a quarter of an hour's walk through the forest from the road between Stâna de Vale and Lake Leșu.
A synagogue of 1877–1878 on the bank of the Crișul Repede, with a broad dome and a Moorish-style painted interior; restored and reopened in 2015, it is now a cultural venue.
The ruins of a 13th-century stone fortress on Dealul Cetății above Șiria, with walls, towers and a wide view over the Arad Plain.
Bihor's county museum, housed since its move in the former Royal Cadet School of 1898: archaeology, history, art, ethnography, natural sciences and a vivarium under one roof.
A cave with an entrance more than 30 m high facing the Crișul Repede, reached over a suspension bridge and inhabited by people as far back as the Neolithic.
The pass where the DN75 crosses the Bihor Mountains at 1,160 m, between Nucet and Arieșeni: the Vârtop holiday village, ski slopes and trails to Groapa Ruginoasă and Piatra Grăitoare.