Due to this location, the climate in Bad Langensalza is relatively mild and, with annual precipitation of about 500 millimetres (20 in), very dry.

Municipal reforms since the early 1990s have greatly enlarged the administrative urban area, which now stretches from the forests of the Hainich National Park to the eastern side of the Unstrut river.

In 1075, Langensalza was the site of a battle, in which Emperor Henry IV won over the rebelling Saxons and Thuringians.

Langensalza is a popular tourist destination, with a well-preserved medieval old town, a number of themed public gardens and a thermal spa bath.

[5] In 2011 it won the title "Most blooming town in Europe" as part of the Europe-wide horticultural competition Entente Florale.

Bad Langensalza is also close to the Hainich National Park, Germany's oldest deciduous forest.

The town is on the German Timber-Frame Road (Fachwerkstraße) and is notable for the number of well-preserved medieval half-timbered (Fachwerk) houses.

Travertine from Langensalza was used in the building of the Brandenburg Gate and in one of the most famous works of modern architecture, the Barcelona Pavilion.

The poet Novalis lived for a time in Langensalza in 1796 whilst studying chemistry under Johann Christian Wiegleb at his house in the Markstraße.