4Bridge run, Kastel, Kostheim, Gustavsburg, Mainz.

The Gutenberg Museum is one of the oldest museums of printing in the world, located opposite the cathedral in the old part of Mainz, Germany. It is named after Johannes Gutenberg, the inventor of printing from movable metal type in Western Europe. The collections include printing equipment and examples of printed materials from many cultures.

The church of St. Augustin known in German as Augustinerkirche, was the minster of the Augustine friars in the city centre of Mainz. Today it is the seminary church of the Catholic theological seminary of the Roman Catholic Diocese of Mainz.

The Deutschhaus or Deutschordenskommende (German for "Commandry of the Teutonic Knights") is a historical building in Mainz, western Germany, which is the seat of the Rhineland-Palatinate Landtag.

The Iron Tower (German: Eisenturm) is a mediaeval tower dating to the early 13th century, and modified in the 15th century, which with the Wood Tower and the Alexander Tower is one of three remaining towers from the city walls of Mainz, Germany. Its name derives from the Iron Market (Eisenmarkt), which was held in the immediate vicinity until the 19th century.

Landbell AG für Rückhol-Systeme – or Landbell Group - is a service provider that carries out take-back and recycling obligations for companies. It supports companies in meeting their extended producer responsibility (EPR) obligations and other product and [Packaging and labeling|packaging]] related requirements.

The European Technical Center (ETC) is a U.S. National Security Agency (NSA) signals intelligence facility in Mainz-Kastel, Wiesbaden, Germany. Located in Building 4009 of the U.S. Army's Mainz-Kastel Storage Station, the facility serves as the NSA's "primary communications hub" in Europe. The center was known by the code name "GODLIKELESION".

The Old Arsenal (Altes Zeughaus), also referred to as Zum Sautanz, was the central arsenal of the fortress of Mainz during the 17th and 18th century. In his function it was succeeded by the new arsenal. Currently the renaissance building is used by the Rhineland-Palatinate state chancellery and the Landtag of Rhineland-Palatinate.

The Theodor Heuss Bridge is an arch bridge over the Rhine River connecting the Mainz-Kastel district of Wiesbaden, capital of state Hesse and the Rhineland-Palatinate state capital Mainz. The main span of the bridge is 102.94 meters (337.7 ft) long. It connects the Bundesstraßes 40 and 455. Initially it was just called “Straßenbrücke” (street bridge), later it was named after German statesman Theodor Heuss.

Mainz-Kastel station is situated on the Frankfurt–Wiesbaden line (line number 3603; timetable section 645.1) in Mainz-Kastel, now a suburb of Wiesbaden, in the German state of Hesse. It was opened as part of the Taunus Railway, which was opened in 1839/40. The station was opened as part of the last stage of construction of the line to Wiesbaden and was opened on 19 May 1840.

The Main (German pronunciation: [ˈmaɪn] (listen)) is the longest tributary of the Rhine. It rises as the White Main in the Fichtel Mountains of northeastern Bavaria and flows west through central Germany for 525 kilometres (326 mi) to meet the Rhine below Russelsheim, Hesse. The cities of Mainz and Wiesbaden are close to the confluence.