You may have noticed that humans tend to reshape their surroundings for comfort, but some of those changes have created the most dangerous places on the planet. From forgotten islands to burning towns, each location on this list is a stark reminder of how our actions can make an area downright unsafe.
Why These Spots Rank Among the Most Dangerous Places on Earth
10 Anthrax Islands
If the title didn’t give it away, stay far from any place dubbed an “Anthrax Island.” Three such islands exist, each a relic of Cold War-era biological weapons testing.
Gruinard Island off Scotland’s coast was the United Kingdom’s testing ground for anthrax during World War II. Decades of spore contamination rendered it uninhabitable until the late 20th century.
Vozrozhdeniya Island, once nestled in the Aral Sea between Kazakhstan and Uzbekistan, was a Soviet testing site in the early 1950s. The USSR never completed decontamination, and while some sections have been cleaned, digging there remains a bad idea.
Plum Island, owned by the United States and located off New York, houses the Plum Island Animal Disease Center. A recent environmental impact study was required when the government considered selling the land, underscoring lingering contamination concerns.
9 The Korean DMZ
Calling it “demilitarized” is a bit of a misnomer. The Korean DMZ is a 250‑kilometer (155‑mile) stretch, about 4 kilometers (2.5 miles) wide, that functions more like a no‑man’s‑land packed with antipersonnel mines—the largest concentration on the planet.Because of the DMZ, the United States has not signed the international treaty banning such weapons, meaning countless civilians are at risk from mines far more than from direct combat.
Crossing the border is perilous; military patrols constantly monitor both sides, and incursions are rare and dangerous.
If you somehow find yourself inside, the odds of being captured are lower than stepping on a mine, hearing that metallic click, and losing a limb.
8 Gilman, Colorado
Gilman began as a mining town in 1886 during Colorado’s Silver Boom, but it became a modern ghost town after a permanent EPA‑ordered evacuation in 1984.
Decades of poor mining practices leached zinc, lead, cadmium, arsenic, and sulfides into the groundwater, rendering the area unsafe.
Although the town never grew large—its population hovered around 300—it was declared a Superfund site, a federal program for heavily contaminated locations that require cleanup.
Today, shattered windows and vandalized structures stand as silent witnesses; the bowling alley, houses, and even a few cars remain frozen in time.
7 Bikini Atoll
The infamous Bikini Atoll atomic tests of the 1950s have turned this Pacific paradise into a no‑go zone. The original inhabitants were forced into exile for 71 years after the United States detonated the Bravo hydrogen bomb on March 1, 1954—a 15‑megaton device that vaporized three islands.
Between 1946 and 1958, the U.S. conducted 67 nuclear tests around Bikini Atoll, 23 of which occurred directly on, over, or under the atoll.
Only a handful of caretakers remain, regularly sampling soil and developing cleanup methods to reduce lingering radiation.
Efforts to return the original residents have stalled because of strontium‑90 contamination, which threatens bones with cancer, leukemia, and other deadly illnesses.
6 Picher, Oklahoma
If you’re looking for a dose of lead poisoning, Picher, Oklahoma, is the place. The EPA ordered its abandonment after unregulated subsurface excavation left the town riddled with toxic waste.
An Army Corps of Engineers study found that 86 percent of the buildings—including the school—were structurally compromised and could collapse at any moment. In 1996, the EPA reported that 34 percent of the town’s children suffered from lead poisoning.
Once a bustling hub for lead and zinc mining, Picher’s population topped 20 000, with more than 14 000 miners employed.
Uncontrolled digging and poor waste management rendered the area uninhabitable, earning it Superfund status. After the government bought the land and evacuated residents, a tornado in 2008 further devastated what remained, and the last resident passed away a few years later.
5 Wittenoom, Australia
Asbestos finally earned its notorious reputation for causing mesothelioma—a deadly lung disease. In the 1960s, Wittenoom was the continent’s biggest producer of blue asbestos.
By 2013, the town was shut down due to toxic asbestos levels permeating the area.
In the late 1970s, as the hazards of asbestos became clear, the Australian government began phasing out the township. By 2015, it had removed all services, effectively erasing the town from official maps.
Three stubborn residents still cling to the area, defying logic and refusing to leave despite the lethal dust swirling around them.
4 Centralia, Pennsylvania
If you ever find yourself cruising through Pennsylvania, steer clear of Centralia. A coal seam fire ignited beneath the town 55 years ago and could keep burning for another 250 years, according to estimates.
Signs warn travelers of the risk of asphyxiation or being swallowed by the ground—both of which are plausible when the earth itself is ablaze.
Once home to about 1 000 residents, Centralia is now a ghost town, the result of an underground inferno that consumes tons of coal.
Surface fissures constantly release sulfurous gases, lethal to anyone nearby. A handful of die‑hard locals—just 12 people—refuse to abandon their homes, but for most, moving on is the only sensible option.
3 Chernobyl Zone Of Alienation, Ukraine
The 1986 Chernobyl disaster remains one of the worst nuclear catastrophes ever recorded. A botched safety test, the shutdown of emergency systems, and a steam explosion ignited a graphite fire, spewing radioactive fallout across the western USSR and parts of Europe.
Thirty‑one people died directly from the radiation burst, including 28 firefighters and plant workers who rushed to contain the blaze.
An exclusion zone now stretches 30 kilometers (19 miles) in every direction. Experts estimate the land won’t be fully safe for human habitation for another 20 000 years.
Nevertheless, some Ukrainians have chosen to stay within the zone. Workers building a new sarcophagus around the reactor are limited to five‑hour shifts for a month, followed by 15 days off.The area can be visited with proper precautions, but it’s a sobering reminder of what happens when a nuclear accident goes wrong.
2 Aral Sea
Once a sprawling lake straddling Kazakhstan and Uzbekistan, the Aral Sea has largely vanished thanks to human interference. The Soviet Union’s 1960s plan to reroute rivers feeding the sea caused a dramatic drop in water levels, and rising global temperatures accelerated the loss.Today, the sea is only about 10 percent of its original size. The once-thriving fishing industry has collapsed, and the exposed seabed has transformed into the Aralkum Desert.
Abandoned fishing vessels litter the desert, and the surrounding area is heavily polluted, posing significant public‑health risks.
1 Fukushima Exclusion Zone, Japan
The March 11, 2011 Tōhoku earthquake triggered a tsunami that struck the Fukushima Daiichi Nuclear Power Plant, causing three meltdowns.
While the disaster can be framed as an “act of God,” investigations revealed that the plant operator ignored basic safety protocols, making the catastrophe foreseeable.
Groundwater continues to seep through a frozen‑soil barrier, spreading contamination throughout the region.
No immediate deaths were directly linked to the accident, but projections suggest thousands may develop cancer over the next three to four decades.
Today, a 20‑kilometer (12‑mile) exclusion zone surrounds the plant. Unless you’re seeking a lesson in radiation safety—or a swift route to severe radiation sickness—tourists are barred from entering.