The big white sculpture face is called "The Dream" and is located in Saint Helens, North West England. The author is Catalan artist Jaume Plensa.
The series is set in the fictional town of Ridgewood, where the main character Megan/Cassie (Cush Jumbo) lives with her family. However, American author Harlan Coben's source material was set in the United States, with Cassie's home being situated on the coast within Atlantic City, New Jersey.
Harlan Coben's picture appears on the wall of the woman who is one of the online group investigating the deaths of men killed during Carnival.
Richard Armitage previously starred as lawyer Adam Pryce in the series The Stranger, also based on a book by Harlan Coben.
The theme song, "You Don't Own Me," sung over the opening credits, is performed by singer Nikki Williams. Co-written by John Madara & Dave White, it was first recorded by teen pop star Lesley Gore in1963.