What is the name of the civil rights leader whose birthday was celebrated this week as a U.S. federal holiday?

What is the limit of money the U.S. government is authorized to borrow called?

Featured in Tuesday’s episode, a British travel company looking for the ‘saddest day of the year’ coined what two word phrase?

 What is the current capital of Indonesia that officials say is sinking into the sea?

Wednesday’s episode went behind the scenes of the health and safety procedures of what professional sports association?

What’s the most populated country on the planet, though maybe not for long?

What’s the name of the coral restoration method that was featured in Thursday’s episode?

 In what national park would you find the so called “Invisible House”?

The removal of a former president has led to recent political protests in what city which is the capital of Peru?

What is the name of the influenza that has led to higher egg prices and an egg shortage?

Of the three major mountain ranges in the United States which is the oldest?

What type of mine is keeping residents awake in Murphy, North Carolina?

What type of artist is recreating famous marble statues?