Yes, North Korea does have a working metro system.
In Japan, there are special metro cars reserved especially for women.
Other countries including Egypt, India, Iran, Taiwan, Brazil, Mexico, Indonesia, the Philippines, Malaysia, and Dubai have also implemented women-only sections of transportation in order to combat issues of personal safety during travel.
It is illegal to eat, drink, or smoke on the Washington D.C. metro because of the extra costs associated with cleaning the carpet. Yup, THE CARPET.
From the D.C. Metro website: "It is unlawful to eat, drink or smoke in the Metro system because of the labor and cost associated with maintaining the cleanliness of the transportation system as well as for safety reasons."
The Moscow metro is commonly regarded as having the most beautiful stations in the world.
Ian Walton / Getty
In fact, there is a train in Moscow called the "Aquarelle Train" that displays replicas of famous works of art for its passengers to enjoy.
