curiosear - to nose around, to pry (into matters), to behave as if curious about something, to browse around or throughSpanish example: Mientras curioseaba por el hotel, observando a los clientes, vi una escalera.
English example: While looking around the hotel, observing the guests, I saw a staircase.
Source:
curiosear - to nose around, to pry (into matters), to behave as if curious about something, to browse around or through