Roman law gives cats squatters’ rights — wherever five or more cats live together in the city, they can’t be chased away With more than 900, Rome has the highest number of churches of any city in the world Romans invented concrete more than 2100 years ago More than $3000 …

Houses of Parliament are officially known as the Palace of Westminster and it is illegal to die there Big Ben is the bell, not the clock tower More than half of the London Underground network in fact runs above ground Great Ormond Street Hospital in London owns the copyright to …

“Slot rules” limit Reagan National Airport to 62 landings/take-offs per hour In its first year of operation in 1941, Reagan National Airport carried just under 350,000 people The longest runway at Reagan National is just 6,869 feet In 2014 Reagan National served approximated 20 million passengers With a few exceptions, …