Buda Castle Labyrinth
9 Úri utca, District I, Budapest, 1014, Hungary
Sixteen metres beneath the cobblestoned streets of the Castle District lies a network of caves and passages that humans have used for half a million years.
Cave Church
District XI, Budapest, Hungary
Built into the natural caves of Gellért Hill, directly above the Danube and behind the Gellért Hotel, this church is one of the most unusual places of worship in Europe.
Hospital in the Rock
4C Lovas út, District I, Budapest, 1012, Hungary
Beneath the Castle District, carved into the limestone caves of Castle Hill, lies a secret hospital that operated during two of the most dangerous moments of the twentieth century and was classified for decades afterward.
Explore underground in Budapest
GPS-guided narration at every landmark. Tap a spot on the map, hear the story. Every fact verified.