The Caveman's Valentine was filmed in New York in the United States of America and Toronto in Canada.
Bryant Park
In movie
Real
Scene was shot Bryant Park is situated in midtown and contains the New York Public Library. The park originally open in 1847 as Reservoir Square, and was renamed Bryant Park in 1884. The park deteriorated over the years until a renovation in the 1980s, when the entire park was rebuilt over the newly constructed underground library stacks.
New York
Bay Lower Station (TTC)
In movie
Real
Scene was shot Located beneath the current Bay Station, Bay Lower was only in operation for six months in 1966. Since then the platform has been used by TTC for operator training and design experimentation, and has been frequently been used for filming so as to not interrupt regular subway traffic.
Toronto
Bay Lower Station