Top 9 Most Polluted Cities in the World

As pollution levels around the world continue to rise, many scientific organizations are pushing for stronger regulations and higher taxes on the nations responsible for the most pollution globally. Here are nine of the cities that have the highest pollution levels in the world:

Delhi-Indiapaul prescott / Shutterstock

Delhi, India

Currently ranked #1 in percentage of particulate matter most harmful to human health, New Delhi’s pollution is primarily caused by coal-based energy and car and truck emissions. No wonder — there are an average of 1400 new cars added to the roads of New Delhi every day.

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11 Great Hostels to Stay In

For budget-minded travelers in search of a cheap place to stay, hostels can be the perfect option. Generally, hostels offer much better value than hotels and short-term apartment rentals. Because less money is spent on accommodations, it allows globetrotters to designate a larger portion of their budget to good food and sightseeing activities instead.

11 Great Hostels in Europe to Stay In

If you’re a budget-minded backpacker interested in meeting fellow travelers along the way, hostels are an exceptional alternative. Intimate, community-minded, and affordable, hostels have exploded in popularity and really come a long way. From shared open-concept spaces to private ensuites, it’s easy to find a mix of both communal and secluded accommodations.

The 10 Most Historic Prisons

While jail time isn’t a walk in the park for any convicted felon, many tourists flock to historical prisons around the world when traveling. This is due to their mystic, history, and eerie ambiance. While it may seem a little crazy, visiting a local prison can provide a ton of insight on a region’s roots and culture.