The Flintstones and another in Valle, Arizona. Both have been in operation for decades. Bedrock City, also known as Flintstone Park, closed in August 2015. Another existed until the 1990s at Carowinds in Charlotte, North Carolina. In Canada, Flintstone Park in Kelowna, British Columbia, opened in 1968 and closed in 1998; it was notable for the "Forty Foot Fred" billboard of Fred Flintstone which was a well known Kelowna landmark. Another "Flintstones" park was located in Bridal Falls, British Columbia, which closed in 1990. Calaway Park outside Calgary, Alberta, Canada, also opened with a "Flintstones" theme and many of the buildings today
The Flintstones a U.S. connection giving them information about past "Flintstone" episodes. An American won the contest and received an all expenses paid trip to tour Hanna-Barbera Studios. Another arc occurred in the fourth season, in which the Rubbles, depressed over being unable to have children of their own (making "The Flintstones" the first animated series in history to address the issue of infertility, though subtly), adopt Bamm-Bamm. The 100th episode made (but the 90th to air), "Little Bamm-Bamm Rubble" (October 3, 1963), established how Bamm-Bamm was adopted. Nine episodes were produced before it but aired afterwards, which explains why Bamm-Bamm was