Q. What is it supposed to be on the show?

A. An urban park.

 
Q. Where is it supposed to be on the show?

A.  In New York City.

Q. When did we see it on the show?

A. We see this location in Episode 4 of Season 1 of Resurrection.
 
Having found a mysterious invitation (along with a large amount of cash) that was left four the now-deceased Dark Passenger, Dexter decides to impersonate that late serial killer, in order to infiltrate the operation and satisfy his own curiosity about what is going on.

In this scene, Dexter meets up with Leon Prater’s right-hand man and enforcer, Charley, who has been sent to bring Dexter back to Prater’s mansion. 


Her Mercedes-Benz S-Class pulls up on a park path, and asks Dexter (disguised in the Dark Passenger’s trademark hoodie and dark glasses), if he is Ron Schmidt. Dexter says yes.

He starts to get into the car’s back seat, but Charley (no doubt remembering that the Dark Passenger’s method of killing was to garrot his victims from the back seat) stops him, while flashing her pistol in a shoulder holster, and makes him sit up front with her.


As they are driving to Prater’s mansion, Dexter asks for information, but Charley isn’t giving away anything.

They discuss his reaction to finding the invitation in his apartment, and she brags about figuring out who he was in just three weeks (at which point, Dexter thinks to himself that it only took him three days to identify Ron Schmidt). 
 

They drive past the front of Prater’s mansion, and then into a very Impressive driveway…

 

Q. What is it actually in real life?

A.  An urban park.

 

Q. Where can I find it in real life?

A. This scene was shot in New York's famous Central Park, a massive urban park located in the heart of Manhattan.

At 843 acres, the park represents a full 6% of all the land in Manhattan. It is two and a half miles long (from north to south), and  almost a mile wide (from east to west). N

 
This scene was shot in the mid-lower half of the park, at two key locations:

•   We first see Dexter at the Bethesda Terrace, featuring the spectacular Bethesda Fountain, topped by a larger-than-life statue of a winged angel. It is located at 40°46'27.5"N 73°58'15.1"W .
  
  
  

(This angel statue was memorably featured in the 1973 movie musical Godspell, during the number Prepare Ye, in which the John the Baptist character is seen holding the giant hand of the angel.)

•  Dexter then climbs the broad stone steps stairs up out of the Terrace, and we next see him on a path next to The Lake in Central Park, about 300 yards northwest of the fountain, at approximately 40°46'31.3"N 73°58'22.1"W .N
  
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The unique twin buildings seen in the distance beyond the lake in this scene are known as the San Remo, a luxury apartment house located at 145-146 Central Park West, on the Upper West Side.  It has reportedly seen celebrity tenants such as Dustin Hoffman, Diane Keaton, Bruce Willis & Demi Moore, U2's Bono, and Steven Spielberg.
 

 
He is then picked up by Charley in her car (although in real life, cars are no longer allowed on the roads of Central Park) .

A few of the roads inside Central Park, such as Terrace Drive, were once open to automobiles, but they have been banned there since 2018. 
 
However, the road she is driving on appears to be just one of the countless walking paths in Central Park. There wasn’t enough detail shown to be able to pinpoint the exact location of the path in that enormous park, but it was probably close to the other two locations: Bethesda Terrace and the southeast shore of The Lake. 
Here is a matching StreetView of Bethesda Terrace: 
 

 
Here is an aerial photo of the location.  And here is a map link.



And here is a matching StreetView of that lake view : 


 
Here is an aerial photo of the location.  And here is a map link.