
The Alte Nahebrücke is a medieval stone arch bridge in Bad Kreuznach, in western Germany, dating from around 1300, that originally spanned the Nahe river and a neighbouring canal called the Mühlenteich. Only the section spanning the canal remains intact. With four houses on its piers, it is one of the few remaining bridges in the world that has buildings on it.

Braubach is a municipality in the Rhein-Lahn-Kreis, in Rhineland-Palatinate, Germany. It is situated on the right bank of the Rhine, approx. 10 km southeast of Koblenz. Braubach has assorted medieval architecture intact, including portions of the town wall, half-timbered buildings, and castle Marksburg on the hill above.

A chamber gate is a type of gateway system on medieval town fortifications and castles that comprises at least two successive gateways linked by an easily defended passageway between two walls. Chamber gates can be built in the space between two enceintes or built into an enceinte as an independent gateway. Because relatively few fortifications are surrounded by a complete second defensive wall, chamber gates are frequently found in short Zwinger sections.

Erfurt is the capital and largest city in the state of Thuringia, central Germany.
Hildesheim Cathedral, officially the Cathedral of the Assumption of Mary or simply St. Mary's Cathedral, is a medieval Roman Catholic cathedral in the city centre of Hildesheim, Germany, that serves as the seat of the Diocese of Hildesheim. The cathedral has been on the UNESCO World Cultural Heritage list since 1985, together with the nearby St. Michael's Church.
The Krämerbrücke is a medieval arch bridge in the city of Erfurt, in Thuringia in central Germany, which is lined with half timbered shops and houses on both sides of a cobblestone street. It is one of the few remaining bridges in the world that have inhabited buildings. It has been continuously inhabited for over 500 years, longer than any other bridge in Europe. The stone, pedestrian bridge, which dates from 1325, is one of the oldest secular structures in Erfurt. It spans the Breitstrom, a branch of Gera River, and connects two town squares - Benediktsplatz and Wenigemarkt.

Schloss Niederstotzingen is a Neo-Classical castle located in Niederstotzingen in the district of Heidenheim, Baden-Württemberg, Germany.

Nördlingen is a town in the Donau-Ries district, in Swabia, Bavaria, Germany, with a population of approximately 19,190. It was built in a 15 million year old & 25 km diameter wide impact crater - the Nördlinger Ries - of a meteorite which hit with an estimated speed of 70,000 km/h, and left the area riddled with an estimated 72,000 tons of micro-diamonds. The town was first mentioned in recorded history in 898, and in 1998 the town celebrated its 1100th anniversary. The town was the location of two battles during the Thirty Years' War, which took place between 1618 and 1648. Today it is one of only three towns in Germany that still have completely intact city walls, the other two being Rothenburg ob der Tauber and Dinkelsbühl.
The Alte Synagoge in Erfurt, Germany, is one of the best preserved medieval synagogues in Europe, its oldest parts dating back to the late 11th century. Most parts of the building date from around 1250–1320. It is thought to be the oldest synagogue building intact to its roof still standing in Europe.

Ottonian architecture is an architectural style which evolved during the reign of Emperor Otto the Great. The style was found in Germany and lasted from the mid 10th century until the mid 11th century.

Regensburg is a city in south-east Germany, at the confluence of the Danube, Naab and Regen rivers. With more than 150,000 inhabitants, Regensburg is the fourth-largest city in the State of Bavaria after Munich, Nuremberg and Augsburg. The city is the political, economic and cultural centre and capital of the Upper Palatinate. During portions of the Holy Roman Empire rule it housed the Perpetual Diet of Regensburg.

St. Augustine's Monastery in Erfurt in central Germany, is a former church and monastery complex dating from the 13th century. The site is almost one hectare in size. It was built by Augustinian monks, an order of the Catholic Church. It is most well known as the former home of Martin Luther (1483-1546), the father of the Reformation, who lived there as a monk from 1505 until 1511.