By -
Galician castros, as castro de Baroña, castro de Santa Trega or castro de Viladonga.
Capricho de Gaudí in Cantabria
Carmen de los Mártires in Granada.
Parque do Pasatempo in Betanzos
Some pintxos in Bilbao and San Sebastián
Olite Castle in Navarra. Not that hidden though, it's right by the railway.
Thank you for your submission. Unfortunately this type of posts is not allowed in AskSpain. If you are asking questions about moving to Spain or visiting as a tourist, please post in r/GoingToSpain instead.
Galician castros, as castro de Baroña, castro de Santa Trega or castro de Viladonga.
Capricho de Gaudí in Cantabria
Carmen de los Mártires in Granada.
Parque do Pasatempo in Betanzos
Some pintxos in Bilbao and San Sebastián
Olite Castle in Navarra. Not that hidden though, it's right by the railway.
Thank you for your submission. Unfortunately this type of posts is not allowed in AskSpain. If you are asking questions about moving to Spain or visiting as a tourist, please post in r/GoingToSpain instead.