The Michigan Cinema History (MCH) caches are dedicated to the local creation, viewing, or enjoyment of movie and cinema-related items in the local area. This series is a companion to the Detroit Cinema History (DCH) series.
This can include, and is not limited to, people, places, and things of Cinema or both past-and-present.
Most Drive-In Movie Theaters consist of a large outdoor screen (either a wall painted-white, or a complex steel-truss structure with a complex finish), a projection booth, a concession stand and a large parking area for automobiles. Within this enclosed area, customers can view movies from the privacy and comfort of their cars.

The original Patent Drawings.
The idea originated in the early 1930's in Camden, NJ. and was Patented by Richard M. Hollingshead. His idea began as an experiment in his driveway with a Kodak Projector, mounted on the hood of his car, aimed at a screen that was attached to some trees. He tried different techniques and finally worked-out the parking-arrangement and spacing to allow everyone that attended, an unobstructed view of the screen. Once he had this idea in-place, he was granted a Patent in 1933 and He opened his first Drive-In Theater soon thereafter. This facility only lasted a few years, but the idea caught-on elsewhere to become part of the American Pop-Culture and Landscape to-this-day.

Typical-style of Drive-In Theater Speakers with the Volume Knob.
Sound was originally produced from Speakers in the main screen tower, but the quality wasn't that good and many attempts were made to improve it. In 1941, the RCA corporation found a solution and along-came the in-car speakers with built-in volume controls that most drive-in patrons would come to know. These were better than the original Sound, but still had a very "tinny" sound to them. Later-on, as the technology improved, this system was replaced with Radio Broadcast equipment to allow the sound to be transmitted directly to the vehicles. This was an improved process for sound and also kept damage to the wired Speakers and/or patrons cars that would happen when folks would leave, after a good show of their favorite film, and some people would "forget to remove the speaker" and damage both the speaker and/or their cars in the process (i.e. Windows, or scratches/dents, etc.).
The popularity of the Drive-In's soared after World War II and peaked in the 1950's and 1960's. The theaters would provide cheap, family entertainment including many having a Playground (or other things) for their youngest patrons. For colder-weather, in-car heaters were also offered at many Theaters, much like the Speakers had been.

An "intermission cartoon" to entice patrons to the Concession Stand.
The Concession Stand (or Snack Bar) would have food that could be served very quickly. Hot Dogs, Pizza, Cheeseburgers, Popcorn, Soft Drinks, and a host of other "food" could be found there to enjoy along with the show. This is usually where the Theater makes most of it's profits and much of the promotions are geared towards that area. This was vital to the success of drive-ins, as food revenue increased steadily during the late 1940s and 50s. While some operators experimented with talk-back speakers to take orders and deliver food to the car, others had mobile carts patrolling the lots selling snacks. Over time, owners discovered that concessions could be sold at a high mark-up and that revenues did not have to be shared with film distributors. To this day, food revenue remains extremely important to exhibitors, especially with film rental rates going as high as 80% on opening weekends for some features. In order to promote the concessions, most locations used the now-famous drive-in intermission films, popularized by the Filmack Company, featuring dancing hot dogs and countdown clocks that were supposed to mesmerize the audience members, wet their pallets and open their wallets.

Another Intermission Ad
Many Theaters even had "car-hops" like their Drive-In Restaurant counterparts to make the experience even more appealing for their patrons.

A car-hop, taking an order (California)
The Drive-In owners would later allow other-uses for their large amounts of space which could only be used for the Theater after-sunset. This would usually generate more income for the theaters and some of these uses included Flea Markets, Swap Meets, and even Outdoor Church Services.

A typical Flea Market at the Mission Drive-In, San Antonio, Texas, 1984
Over time, with the advent of other sources of entertainment, as well as the rising cost of Real Estate and other economic factors, Cinematic Landmarks such as these have been slowly disappearing over the years, leaving less than 500 across the United States currently. Many of those which were closed were later demolished and the real-estate used for other things such as Office or Retail Space, with some being replaced on the exact same land with Mutli-Plex indoor Movie Theaters. Some properties have just been left vacant with nothing remaining there but an empty field. However, a very-select few that were closed have even re- opened to be given a new-life with new patrons looking for a very unique movie-going experience.
Many folks feel that these Gems of Americana are very much an endangered part of the landscape. Most, if not all of them, have very fond memories of their time spent there and would love to be able to revisit their favorite Drive-In Theater once again.
The Seaway Drive-In Theatre
Open: June 1, 1958 | Closed: 1986 | Capacity: 700
The Marquee and Main Screen
The property just to the southeast of the cache location is NOW the property of a local church.ย It was, however, a local popular venue for many folks to come and see first-rate films and shows on the "big screen", from the comfort of their own personal vehicles.
The Seaway Drive-In opened on Sunday, June 1, 1958 and one of the movies playing around that time were ones like "The Viking" starring Kirk Douglas, Tony Curtis and Ernest Borgnine. This was probably one of the first main features that was shown at the Seaway.
Folks visited the Seaway would probably be listening to the song Johnny B. Goode by Chuck Berry or Summertime Blues by Eddie Cochran, which were both big hits in that year.
Wintertime at the Seaway.
In the entire time the Seaway was here, it was only a single-screen complex and had room for 700 vehicles in its audience area.

Damage to some fencing, 1980's
Many theatres like the Seaway would hand-out souvieners like dishes, or at the least, had things like matchbooks and other Theatre-named items.

Matchbook from the Grand River Drive-In, Farmington Hills, Michigan
In July 1970, the Detroit News Movie Theater Guide advertised 26 drive-in theaters in Metro Detroit. The late 1980's would see the property values change in the area, along with the public's entertainment sources as well. With these changes began the idea that the Drive Ins should be torn-down and the property reconstructed into something more profitable.

Old Aerial View (north is at the top)
Many folks enjoyed the drive-in's and have expressed how much they miss them because of the treasured times and memories that still reside there, even if the physical locations are no longer there. They were...and are....a part of Americana that is missed by those that would visit them.
Again, the property is NOT public, and it belongs to a local church.
PLEASE DO NOT TRESPASS ON THE FORMER DRIVE IN PROPERTY.
Thank you.
Enjoy the Hunt and be aware of your surroundings as always!