2016-Present (26 gen 2016 anni – 22 ore 32 min, 21 giug 2025 anni)

Descrizione:

Over 400 national park sites, over 85 million acres of national park land, and over 20,000 people are employed by the NPS. Over 318 million people visit national parks annually.

Aggiunto al nastro di tempo:

Data:

Immagini: