Haines Mill

Cetronia is a census-designated place (CDP) in South Whitehall Township in Lehigh County, Pennsylvania, located near Allentown. As of the 2020 census, its population was 2,421. Cetronia is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.

Hercules was a wooden roller coaster located at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania. Manufactured by the Dinn Corporation and designed by Curtis D. Summers, the roller coaster opened to the public on May 6, 1989. It set a world record for having the longest drop on a wooden coaster at 151 feet (46 m), surpassing the previous record of 147 feet (45 m) set by American Eagle at Six Flags Great America in 1981. Hercules was the third wooden coaster to be constructed at the park. A scenic railway operated at Dorney from 1905 to 1912. The park's existing wooden coaster, known simply as "Coaster" opened in 1924 and was remodeled in 1930. With the opening of Hercules, the existing coaster was given a formal name — Thunderhawk.

Hydra the Revenge, or simply Hydra, is a Floorless Coaster at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania. Manufactured by Bolliger & Mabillard, the steel coaster opened to the public on May 7, 2005. Hydra was built on the site of the former wooden coaster Hercules, which was closed and demolished at the end of the park's 2003 season. The ride's name comes from the Greek Mythology story where Hercules battled the Lernaean Hydra.

Possessed is an Inverted Impulse launched roller coaster located at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania. Manufactured by Intamin and designed by Werner Stengel, the roller coaster originally debuted at Six Flags Ohio amusement park as Superman: Ultimate Escape on May 5, 2000. After Cedar Fair purchased the park and renamed it back to Geauga Lake in early 2004, the coaster was immediately renamed Steel Venom. The ride closed in 2006 and was moved to Dorney Park. It reopened in 2008 briefly under the name Voodoo, and was renamed Possessed for the 2009 season. The model is identical to five other impulse coaster installations at other amusement parks. A larger version called Wicked Twister was located at Cedar Point until its closure in September 2021.

Woodstock Express is a steel kiddie roller coaster located at California's Great America in Santa Clara, California. The coaster has slight drops and turns and uses a lap bar for guests safety.

Woodstock Express is a steel junior roller coaster that is located at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania. It is located in Planet Snoopy in the park.

Thunderhawk is a wooden roller coaster with an out-and-back layout located at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania. Originally opening as The Coaster in 1924, Thunderhawk is the oldest operating roller coaster in the Cedar Fair chain and one of the oldest in the world still in operation. It was manufactured by Philadelphia Toboggan Coasters and designed by Herbert Paul Schmeck, who studied under the legendary John A. Miller and went on to mentor another renowned designer, John C. Allen.

Talon is an inverted roller coaster located at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania. Manufactured by Bolliger & Mabillard and designed by Werner Stengel at a cost of $13 million, Talon opened to the public in 2001 and was marketed as the tallest and longest inverted coaster in the Northeast. It stands 135-foot (41 m) tall, reaches a maximum speed of 58 mph (93 km/h), and features four inversions.

Dorney Park & Wildwater Kingdom is an American amusement and water park located in Dorneyville, Pennsylvania with an Allentown mailing address. Owned and operated by Cedar Fair, the park features 64 rides, including six roller coasters, other adult and children's rides, and a waterpark, Wildwater Kingdom, with 19 water rides. It features some of the world's most prominent roller coasters, including Steel Force, the eighth-longest steel roller coaster in the world and the second-longest on the U.S. East Coast.

Steel Force is a steel roller coaster located at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania. As of 2022, Steel Force, at 5,600 feet (1,700 m) in length, is the eighth-longest steel coaster in the world.Built by D. H. Morgan Manufacturing and designed by Steve Okamoto, the roller coaster opened to the public on May 30, 1997, and was billed as "the tallest and longest roller coaster on the east coast", featuring a 205-foot (62 m) drop, 5,600 feet (1,700 m) of track, and a maximum speed of 75 mph (121 km/h).

Steel First was a junior steel roller coaster located at Dorney Park & Wildwater Kingdom in South Whitehall Township, Pennsylvania. Manufactured by the Allan Herschell Company, the ride opened to the public in 1985. The coaster was originally located at Santa's Village in East Dundee, Illinois, where it was known as Snowball Express. It was removed in 1985 and placed in storage, until it was bought and moved to Dorney Park. Maximum rider height was 54".It was originally named the Colossus Junior & Little Laser, but its name was changed to Steel First for the 2009 season after the removal of another roller coaster at the park known as Laser. Steel First operated until the 2010 season and has since been removed.

The Da Vinci Science Center (DSC) is a science museum and nonprofit organization in Allentown, Pennsylvania. It was founded in 1992. The center has been a leader in "bringing science to life and lives to science", according to its mission statement. The center's slogan is Open for ExSCIting Possibilities.The center focuses on connecting people of all ages to science. Its interactive experiences include a two-story exhibit floor, nearly three-dozen programs for visitors of all ages, students, educators, and community groups, and regional workforce initiatives that integrate limited-engagement exhibits with programs highlighting workforce development opportunities. The center's primary focus is introducing children to the potential of the STEM-related subjects. The Da Vinci Science Center is located in Pennsylvania's Lehigh Valley, approximately 48 miles (77 km) north-northwest of Philadelphia and 78 miles (126 km) west of New York City.