One of the stairways at The Royal Palace of Pena, or "Castelo da Pena" as it is more commonly known, Portugal, Sintra.

- Image ID: M80AMX
One of the stairways at The Royal Palace of Pena, or "Castelo da Pena" as it is more commonly known, Portugal, Sintra.
Debu55y / Alamy Stock Photo
Image ID: M80AMX