For the last three years, Pablo Maurer has photographed vacation towns in the Poconos and Catskills mountain ranges. He’s one of few people to recently set foot in the once-booming vacation spots that today more resemble ruins than resorts.

In their heyday, resorts in the Poconos in Pennsylvania, and Catskills in New York were picturesque emblems of 1950s leisure. Today, resorts such as Pennsylvania’s Penn Hills and New York’s Grossinger and Homowack sit abandoned, filled with trash, and overcome by neglected flora.

Maurer enjoys exploring abandoned places. He says his method for finding forgotten structures is simply to get in his car and drive. While exploring an abandoned office at the former Penn Hills Resort, he found a matchbook with a picture