One of history's greatest traitors, in 1644 Wu Sangui defected to the Manchus by opening the gates of what structure?
Though the current version was built during the Ming Dynasty, Emperor Qin Shi Huangdi is credited with starting what building project to repel Xiongnu raids?
Apollo 17's Gene Cernan made the dubious claim that you could see what set of East Asian fortifications from low earth orbit?
In Miles Davis's sextet, both John Coltrane and "Cannonball" Adderley played versions of what instrument?
Respectively creating bebop and keeping it "smooth," Charlie "Yardbird" Parker and Kenny G are both prominent players of what single-reed sound-maker?
Coming in alto and tenor varieties, the three letter nickname of what woodwind instrument is also the last name of its inventor?
The branches, leaves, and all the aboveground reproductive stuff on a tree is collectively known by what regal name?
The gingival line forms the southern border of what visible part of your teeth that has nothing to do with a UK-focused Netflix show?
A great place for a queen to pop her fancy lid, what C-word refers to the whorl of hair atop a human head?
Canada's largest pension funds are known as the Maple-HOW MANY?
Our Noom app hates the message and content of the wafer-thin UK chocolate-and-peppermint candies called After WHEN?
Way back in the 1600s, the first world currency was the Spanish dollar, AKA pieces of WHAT?
The first coach of the Green Bay Packers and the alphabetically-first of J.M. Barrie's "Peter Pan" Lost Boys share what shapely nickname?
Jack Palance did one-armed push-ups to celebrate his Oscar win for playing a "City Slickers" cowboy with what nickname?
Since irony isn't new, the baldest of the Three Stooges went by what C-word?