//
a karst cave with a huge entrance. Entry into the cave is only possible via specialised climbing gear.
Topolnița Cave is a karst cave located in Mehedinți County, Romania. It is the fourth-longest cave in Romania: only Peștera Vântului, Humpleu-Poienița Cave, and Hodobana Cave are longer. Most speleological sources estimate its length at 20.5 km (12.7 mi), although a length of 22 km (14 mi) has also been reported. Some Romanian news sources report a more conservative 11,000 metres. It is considered a natural monument of Romania.
© OpenStreetMap contributors
Castelul de Apă
An 1910s water tower designed to look like a castle turret. Now an art institution.
Castrul roman Drobeta
Ruinele Cetății Severinului
Piciorul Podului lui Traian
Remaining pillar from Trajan's bridge over the Danube
Podul lui Dumnezeu
The second-biggest natural bridge in Europe, and the biggest in Romania.