This is the 14390th most frequent Spanish word.
visitados
"Visited."
In this sentence, 'visitados' is used as a past participle functioning as an adjective to describe the places that receive the most visitors.
Los lugares más visitados en la ciudad son el museo y el parque central.
The most visited places in the city are the museum and the central park.
Here, 'visitados' again acts as an adjective highlighting the frequency of guests in those locations, utilizing the subjunctive mood in relation to 'es interesante.'
Es interesante que esos sitios sean tan visitados por turistas.
It is interesting that those sites are so visited by tourists.
In this example, 'visitados' does not appear, but a variation 'visitado' is used as a past participle forming the past perfect tense 'hemos visitado,' indicating completed actions of visiting.