'The Da Vinci Code' Quiz

Langdon is a professor of symbology at Harvard when he is drawn into a quest for the holy grail in "The Da Vinci Code."

Sophie Neveu is a French cryptologist who helps Langdon as he searches for the grail.

Sophie believes that the PS in her grandfather's message refers to her childhood nickname, Princess Sophie.

Albino monk Silas is working for Leigh Teabing, an expert on the holy grail and a supposed friend of Langdon.

The Knights Templar was a 12th century military order whose history is fairly well-documented.

This is false. The Priory was allegedly founded in 1099 in Jerusalem, though there's no concrete evidence that the organization ever existed.

As described in "The Da Vinci Code," Opus Dei is a real religious order that was founded in 1928.

Silas is a monk and a devout member of Opus Dei.

Sophie threatens to put her knee through "Madonna of the Rocks" to help Robert Langdon escape from the Louvre Museum.

While "The Da Vinci Code" makes a big deal about a disembodied hand wielding a dagger, experts agree that the hand clearly belongs to Peter, who is holding the dagger in defense of Jesus.

Robert and Sophie head to Isaac Newton's tomb at Westminster Abbey as they work to solve Sauniere's puzzle.

Langdon works out that Newton's tomb is missing an orb (an apple) that turns out to be the password to a mysterious cryptex.

Robert helps Sophie figure out her grandfather's puzzle. She learns that she is a descendent of Jesus and Mary Magdalene.

"The Da Vinci Code" made a bold claim with the idea that Jesus and Mary Magdalene were married and had a child named Sarah.

The novel suggests that the holy grail is actually the remains of Mary Magdalene.

Dan Brown sold more than 80 million copies of his book around the globe, making it one of the best-selling books of all time.

At the end of the novel, Langdon kneels before the bones of Mary Magdalene, which are buried beneath the glass pyramid at the Louvre.

While most historians believe that John sits to the right of Jesus, "The Da Vinci Code" suggests that the feminine figure is actually Mary Magdalene.

Before the prime meridian was established in Greenwich, England, the line was represented by a brass line running through Saint-Sulpice.

Temple Church, with its unusual round design, is in London.

During the 12th century, the Knights Templar built Temple Church to protect pilgrims who were traveling to and from Jerusalem.

Rosslyn is in Scotland. While there, Sophie discovers that her grandmother and brother are still alive.

The film came out in 2006 and grossed more than $750 million at the box office.

Tom Hanks took on the role of Robert Langdon, with Audrey Tautou as Sophie Neveu.

Leonardo da Vinci's famous painting "The Last Supper" is actually located in a convent in Milan.

"The Da Vinci Code" was followed by "The Lost Symbol," which came out in 2009.

Sophie finds the key to her grandfather's bank box behind "Madonna of the Rocks" at the Louvre.

Despite the book's claims, Newton was not interred by Alexander Pope, though Pope did write a poem about him.

While the author of "Holy Blood, Holy Grail" filed a lawsuit against Brown, the courts found that Brown did not violate copyright law when penning his novel.

"Angels & Demons" was a prequel to "The Da Vinci Code," though the "Angels & Demons" film actually ended up as a sequel, not a prequel.