 What is the Oldest Building in New York City |  When Was the First Apartment Building in NYC? |  When Was Air-Conditioning Introduced into the NYC Subway System? |
 Who Was the Famous Politican Buried in the Snow During the Blizzard of 1888? |  Is It True Manhattan Used to Have Cowboys? |  Why Are the Streets in Lower Manhattan and Greenwich Village Not on the Grid Pattern, and Why Is Broadway on an Angle? |
 How Did New York Get Its Famous Nickname: The Empire State? |  Who Were the "White Wings"? |  Why Was There So Much Commotion in Nineteenth Century NYC Every May 1st? |
 How Did "Peg-Leg" Peter Stuyvesant Lose His Right Leg? |  At Katz's Delicatessen, the Staff Wears T-shirts That Read "Send a Salami to Your Boy in the Army." Who Came up With that Near-Rhyme? |  Who Was Elizabeth Jennings, and What Did She Do to Promote Civil Rights in New York City? |
 What Is the New-York Historical Society, and why is New-York hyphenated? |  Did P.T. Barnum keep live whales in his museum on Broadway? |  When Was the First Book Printed in NYC? |
 What Were the Flour Riots? |
 Why Are Beavers on the Seal of NYC |
 What is the oldest NYC newspaper still in publication? |
 When Did Slavery End in New York State? |
 Why is There a Monument to Balto in Central Park? |
 Manhattan Supposedly Was Laid Out on a Symmetrical Grid in 1811, But Aren't Some Blocks Longer Than Others? |
 What Were the Earliest Photographs of New York City? |
 What is the Largest Local Union in the City? |
 What is the Oldest Building in NYC? |
 Who Was Madame CJ Walker? |
 When Was the First Girl Admitted to Stuyvesant High School? |
 What Were the "Orphan Trains"? |
 When did Multiple Daily Mail Deliveries to Residence and Businesses in NYC Stop? |
 Why Was an Ornate Opera House the Scene of a Riot in 19th Century NYC? |
 Did a New Yorker Really Build a House Purely out of Spite? |
 Who Was Topsy, and What Did She Have to Do with the Electrification of NYC? |
 Why Isn't South Brooklyn in Southern Brooklyn? |
 How Was the Holland Tunnel Built? |
 Historically, How Have New Yorkers Celebrated New Year's Eve? |
 When Did Christmas Tree Vendors First Set Up Shop on New York City Sidewalks? |
 Why Were NYC Newspapers Burned in 1734? |
 Does "Tea Water" Actually Have Anything to Do with Tea? |
 What is Showered on the Honorees of So-Called Ticker-Tape Parades? |
 Is C.P.H. Gilbert the Same Architect as Cass Gilbert, who Designed the Woolworth Building? |
 Do You Have to be a Musician to Join the Harmonie Club? |
 What Was the Pig War? |
 What is the History of Central Park's Gates, and How Were They Named? |
 Who was the "Amiable Child" in Riverside Park, and why is there a monument there? |
 When Did NYC Lose Its Iconic Letter Telephone Exchanges |
 In St. Paul's Churchyard, there is an enormous obelisk over the grave of Thomas Assist Emmet. Who was he? |
 Was There Ever a Hotel for Prostitutes, Shaped Like a Giant Elephant? |
 What is the Story Behind the Building on 8th and 57th Street that serves as a pedestal for the big Glass Tower? |
 Why is the Manhattan House of Detention called the Tombs? |
 What Street Foods Were Popular in NYC But Are No Longer Available? |
 When Various Companies Owned the Subway Lines, How Did Riders Transfer Between Them? |
 What Was Blackwell's Island? |
 What Was the General Slocum Disaster? |
 What Was Leisler's Rebellion? |
 How Did the Boroughs Get Their Names? |
 Were Premature Babies Really Displayed in Coney Island? |
 Why Was Brownstone Used to Build Row Houses in NYC? |
 Before September 11th, Had an Airplane Ever Hit a NYC Skyscraper? |
 When Were Penguins Stolen From the Coney Island Aquarium? |
 Since the Gentrification of Times Square, Where Have All of NYC's Peep Shows Gone? |
 When Was the First St. Patrick's Day Parade in NYC? |
 Why is the site of Nathan Hale’s execution commemorated both in City Hall Park and on Upper East Side? |
 Has the building at the southwest corner of Riverside Drive and 89th Street always been Yeshiva? |  Was there a boarding house where many of the Hudson River painters lived? |
 Why doesn’t Manhattan have any cross-town expressways? |
 What famous thoroughfare has been called the Champs-Elysees of the Bronx? |  Who coined the phrase “Cathedral of Commerce” to describe the Woolworth Building? |
 What building previously stood on the site of the Empire State Building? |
 How much horse manure was deposited on the streets of New York City before the advent of the automobile, and what happened to it? |  When did the terms “off-Broadway” and “off-off-Broadway” come into use? |
 Where and what was the Hippodrome? |
 There seem to be more and more streets that have two names, an original number and honorary name. What is the process for renaming a street? |
 Where was Idlewild Airport, and why was it called that? |
 When did Greenwich Village becomean outpost for writers and artists? Why was this an attractive area for them? |
 How did the Yankees get their name? |
 Was there restaurant called Riker's on 57th Street, and did it have any relation to the jail? |
 When did the Statue of Liberty turn green? |
 Are There More Statues of Liberty Than the One That Stands in New York Harbor? |
 What Was Jone's Wood? |
 What caused a riot in 18th century NYC having to do with the robbing of graves and the use of cadavers in medical schools? |
 Who was the youngest mayor in New York City? |
 Who was the first woman to run for mayor of NYC? |
 When and why did public bathhouses become popular? Do they still exist? |
 What Was the "Barnes Dance"? |
 Did a dime novelist from Upstate NY really bring "Buffalo Bill" Cody to national fame? |
 Henry David Thoreau is best known for living in bucolic Massachusetts. Is it true that he actually spent some time in NYC? |
 What was the New York Crystal Palace, and where was it located? |
 Do any parks in New York City come close to Central Park, in term of acreage? |
 Where were the Polo Grounds, and how did they get their name? |  How many speakeasies were open in New York City during Prohibition? |  Why is there a statue of John Wilkes Booth’s brother in Gramercy Park? |