In 1962, a trash fire set in Centralia, Pennsylvania, to clean up a municipal dump in an old open-pit mine turned into a disaster that would eventually erase the town. The fire was meant to be a routine cleanup, but it re-emerged days later, spreading through an unsealed opening into the network of abandoned underground coal mines beneath the town. The anthracite coal, a hard, high-quality coal common in the region, caught fire and has remained burning for over 60 years, making Centralia one of the most unusual environmental disasters in U.S. history. Efforts to control the fire have largely failed. Various attempts, such as digging trenches, injecting water, and sealing the tunnels with fire-resistant materials, did not stop the flames. One project aimed to seal the underground galleries but was abandoned after the company only partially filled the tunnels, allowing the fire to spread further. By the time the project was shut down, the fire had advanced 700 feet and the budget had been exceeded by nearly $20,000. For nearly two decades, the residents of Centralia lived with the fire, adapting to the heat it generated. Some found that snow no longer accumulated in the winter, and others grew tomatoes in their gardens year-round. However, the perceived safety of the town changed dramatically in 1981 when a 12-year-old boy collapsed into a hole in his grandmother’s garden, emitting thick smoke. This incident revealed the deadly nature of the underground fire and increased public concern. In 1983, the U.S. Congress approved over $42 million for a relocation program, offering residents financial compensation to move away. Most accepted the offer, but some refused, believing the government was exaggerating the danger to reclaim the land for mining purposes. Over the next decade, the county authority demolished empty homes neighborhood by neighborhood, leaving behind a network of empty streets. By 1992, the population had dropped to around 50 people. The Pennsylvania governor then placed the entire area under formal guardianship, and in 2002, the city’s postal code was officially removed, effectively erasing Centralia from the postal system. As of 2025, only four people remain in the town, though they were allowed to stay in their homes in exchange for a lump-sum payment in 2013. The famous "Graffiti Highway," a stretch of Route 61 covered in graffiti, was buried in 2020 to discourage visitors. Experts estimate the fire could continue burning for 250 years or more, covering an area of about 400 acres. Centralia remains a unique case, a town erased not by war or natural disaster, but by administrative decisions and the slow, relentless power of an underground fire.