Here are some of the top 20 most dangerous places in the world:
*Natural Dangers*
- *Mount Everest*: Located in Nepal and Tibet, it's one of the most treacherous mountains to climb, with over 300 fatalities recorded.

- *Death Valley*: Situated in California, USA, it's known for extreme heat and dehydration.

- *Lake Natron*: In Tanzania, its high pH levels make it caustic to human skin and eyes.

- *Danakil Depression*: In Ethiopia, it's one of the hottest and most inhospitable places on Earth.

- *Snake Island (Ilha da Queimada Grande)*: Off the coast of Brazil, it's home to thousands of venomous golden lancehead vipers.

*Conflict Zones*
- *Syria*: Due to ongoing civil war and terrorism, it's considered one of the most dangerous countries.

- *North Korea*: Known for human rights abuses and strict controls, it's a high-risk destination for tourists.

- *The Middle East*: Countries like Afghanistan, Israel, Palestine, and Iraq have experienced high levels of conflict and violence.

*Crime-Ridden Cities*
- *Tijuana, Mexico*: Has one of the highest murder rates globally, with over 138 homicides per 100,000 people.

- *Caracas, Venezuela*: Known for high levels of violence, corruption, and kidnapping.

- *Los Cabos, Mexico*: Has a high murder rate, with 111.3 homicides per 100,000 residents.

- *Guatemala City, Guatemala*: Experiences high levels of crime, including extortion, murder, and armed robbery.

*Radioactive Zones*
- *Chernobyl Exclusion Zone*: In Ukraine, it's still highly radioactive after the 1986 nuclear disaster.

- *Fukushima Exclusion Zone*: In Japan, it remains hazardous due to the 2011 nuclear meltdown.

*Other Dangers*
- *North Sentinel Island*: Home to the hostile Sentinelese tribe, who have attacked outsiders.

- *The Amazon Rainforest*: Dense jungle with potential for getting lost, and inhabited by venomous animals.

- *Madidi National Park*: In Bolivia, it's known for diverse wildlife, including predators, and challenging terrain .

- *The Darien Gap*: A remote and lawless region between Panama and Colombia, known for drug trafficking, crime, and harsh terrain.

- *Mumbai Underworld*: India's financial capital has a notorious underworld with organized crime syndicates.

- *Somalia's Pirate Coast*: The coastal region of Somalia has been plagued by piracy and armed robbery.

These additions bring the total to 20. Keep in mind that danger levels can vary depending on the situation and time. It's essential to stay informed and exercise caution when traveling or living in these areas.