Ninja (Six Flags St. Louis)

River King Mine Train is a steel mine train roller coaster at Six Flags St. Louis in Eureka, Missouri. Built in 1971, it was the park's first coaster and opened with the park on June 5, 1971. The actual ride itself is one of two tracks, one which was later sold. Today, the ride operates with its original name. The ride has also received modern upgrades, including a new control panel. It is a popular family and beginner coaster, since it is the smallest in the park. Often called simply the Mine Train, it is unique in the fact that it has no automatic system for the lap bars; instead, employees have to manually lock and unlock the bars. Trains are five cars with riders arranged two across in three rows. In total, the coaster has three trains that have a total capacity of 90 riders (30 each).

Boomerang is a boomerang roller coaster located at Six Flags St. Louis in Eureka, Missouri. It opened to the public on June 8, 2013. The ride originally opened as Flashback in 1989 at Six Flags Over Texas, where it operated through 2012.

Six Flags St. Louis, originally known as Six Flags Over Mid-America, is an amusement park featuring characters and rides from many Warner Bros. films and TV shows such as Looney Tunes, DC Comics, and formerly Scooby-Doo. It is located in Eureka, Missouri, which is a suburb of St. Louis, Missouri. Owned and operated by Six Flags, the park opened on June 5, 1971, as the third of the company's three original theme parks. It is the only one of the original three Six Flags parks to be both owned and operated by Six Flags. (The other two, Six Flags Over Texas and Six Flags Over Georgia, are owned by limited partnerships and operated by Six Flags.) The park was conceived by Six Flags founder Angus G. Wynne in the 1960s, although unlike the previous two Six Flags parks, it was designed by the Six Flags company itself rather than architect Randall Duell, who was preoccupied with designing AstroWorld at the time. Its layout consists of six themed areas, each of which contain numerous attractions, dining locations and live entertainment. Since its original opening in 1971, the park has undergone many changes, most notably of which are the replacement or renaming of all six of the park's original areas in the 1990s, as well as the addition of two new ones. There are many celebrations and events held year round at the park. Some of the most popular are Fright Fest runs during the Halloween season (usually late September to late October/early November) and features many Halloween decorations and haunted houses. Coca-Cola's July 4th Fest takes place July 3–5 and features firework displays. Formerly Holiday in the Park during the Christmas season that ran from November to early January and featured Christmas decorations, music, New Years fireworks, and more.

Colossus is a 180-foot tall (54.9 m) Ferris wheel located at the 1904 World's Fair section of Six Flags St. Louis in Eureka, Missouri. It opened on April 18, 1986, and is 165 feet (50.3 m) in diameter, weighs 180 short tons (160 metric tons), and has a maximum capacity of 320 people.The ride debuted at the 1984 New Orleans World's Fair, one of multiple rides at the fair that were operated by Six Flags. About three years after being at the fair, it was relocated to Six Flags St. Louis.

The Grand Ole Carousel is a carousel at Six Flags St. Louis. It opened in 1972, and was originally manufactured by Philadelphia Toboggan Coasters in 1915. The Carousel was originally installed at Luna Park in Cleveland, Ohio.

Screamin' Eagle is a wooden roller coaster located at Six Flags St. Louis in Eureka, Missouri. When it opened on April 10, 1976 for America's Bicentennial celebration, Guinness World Records listed it as the largest coaster at 110 feet (34 m) high and as the fastest coaster at 62 mph (100 km/h). The ride is a modified 'L'-Shaped Out And Back. The Screamin' Eagle was manufactured by the Philadelphia Toboggan Coasters and was the last coaster designed by John Allen, who was a designer of roller coasters, believed a coaster should inspire awe, not only from a ride full of thrills, but also from its magnificent beauty. Originally Allen wanted to design a coaster to replace the Comet at Forest Park Highlands, but lack of funds prevented him from doing such. The Screamin' Eagle is reminiscent of the Comet, mirroring its L-shape, but to a much larger scale.

American Thunder is a wooden roller coaster located in the 1904 World's Fair section of Six Flags St. Louis in Eureka, Missouri. Opened on June 20, 2008, the coaster was originally named after and themed to the famous motorcycle daredevil Evel Knievel. It was renamed American Thunder for the 2011 season. To help promote the opening of the then-Evel Knievel Roller Coaster, Knievel's son, Robbie Knievel, jumped a Honda CR-500 motorcycle over 25 Dodge Chargers on July 3, 2008.As a result of the St. Louis Cardinals losing to the Chicago Cubs in the 2015 National League Division Series, Six Flags St. Louis lost a friendly wager with Six Flags Great America, resulting in the temporary name change of the roller coaster to Cubs Thunder.

The Boss is a wooden roller coaster located in the Britannia section of Six Flags St. Louis in Eureka, Missouri. It opened on April 29, 2000, and was manufactured by Custom Coasters International. It features a lift hill height of 122 feet (37 m) and a first drop of 150 feet (46 m). Prior to the 2018 season, it also featured a 570-degree helix.

Rockwoods Range Conservation Area consists of 1,388 acres (5.62 km2) in western St. Louis County, Missouri. It is just north of Interstate 44 west of Eureka. The land is part of the Henry Shaw Ozark Corridor.Most of the land was donated to the Missouri Department of Conservation in 1943 by A.P. Greensfelder to preserve it in public ownership. A memorial in the conservation area denotes the location of Greensfelder's large summer cottage. Limestone rock outcroppings and sinkholes are common in the area, and it has been designated as an Important Bird Area by the Missouri Audubon Society. The area supports good populations of white-tailed deer, raccoons, and squirrels.Young Conservation Area is open daily from sunrise to one half-hour after sunset. Activities include hiking, wildlife watching, mountain biking, horseback riding, and hunting (in season). Nearby Missouri Department of Conservation areas include Rockwoods Reservation, Young, Forest 44, Pacific Palisades, Allenton Access, and August A. Busch. Greensfelder County Park abuts Rockwoods Range on the east.There are four trails in the area. The Green Rock Trail is for hiking only, but the other three are multi-use. Round House Loop Trail - 3.0 miles (4.8 km) Fox Creek Spur Trail - 0.6 miles (0.97 km) Fox Run Trail - 3.5 miles (5.6 km) Green Rock Trail - 2.9 miles (4.7 km) out of 14.5 miles (23.3 km) total length

Greensfelder County Park consists of 1,734 acres (7.02 km2) in western St. Louis County, Missouri. It is located in the city of Wildwood and bordered to the south by the Eureka and Six Flags St. Louis. Greensfelder is part of the Henry Shaw Ozark Corridor. The park's land was donated to St. Louis County in 1963 by the trustees of the St. Louis Regional Planning and Construction Foundation, which had been established in 1939 by Albert P. Greensfelder. The park was originally named Rockwood Park, but was renamed in 1965 in honor of A.P. Greensfelder.The park has a nature center, playgrounds pavilions, scenic loop road, stables, a campsite, and eight trails open to hiking, mountain biking, and horseback riding. The park's trails connect to the Rockwoods Reservation to the northeast and the Rockwoods Range Conservation Area to the west, forming a network of 25 miles (40 km) of trails.

Hidden Valley Ski Area is a ski resort in the St. Louis, Missouri suburb of Wildwood, Missouri. The ski area consists of 15 trails on 65 acres (26 ha) of two different peaks to form a 320 ft vertical drop. All of these trails feature Snowmaking, with a capacity of 6600 gallons of water per minute.

Eureka is a city in St. Louis County and Jefferson County, Missouri, adjacent to Wildwood and Pacific. It is in the extreme southwest of the Greater St. Louis metro area. As of the 2020 census, the city had a population of 11,646. Since 1971, Eureka has been known as the home of the amusement park Six Flags St. Louis.