Top 4 Caves オッタースハイムでの

There are several warning signs Danger to life... Danger of collapse

Very impressive And well described by @Herbert Picker!

I liked the view of Asselheim from the Ritterstein

You can find a list of knight stones here: https://de.m.wikipedia.org/wiki/Liste_der_Rittersteine

A special structural feature in the city park is the artificially created two-arched grotto made of shell limestone. It was built in 1893 from stalactite formations from Greußen in Thuringia. If the weather is bad you can also sit here in the dry

The lightning tubes are a natural monument in the form of a mineralogical phenomenon in the sandstone wall below the Battenberg castle ruins. The 'lightning tubes' were given their name because the people who lived here initially attributed their formation to lightning strikes. Source: https://www.tourenplaner-rheinland-pfalz.de/de/punkt/felsen/blitzroehren-battenberg/49764939/

Interesting little cave, building instructions from nature for building the vault

This is one of over 300 memorial stones erected by the Palatinate Forest Association (PWV). Its arrow points to a roughly 30 square meter cave dwelling "on the northern slope of the Höllenberg" and "in the Hohfels rock formation within the Tertiary limestone reef": https://www.komoot.de/highlight/1137121 Excavations have revealed evidence of human presence from around 40,000 BC (Lower Paleolithic) to around 5,000 BC (Upper Paleolithic)" and human burials in the Early and High Middle Ages. "The cave is now inaccessible due to the risk of collapse. The path leading to it is also overgrown with hedges, making passage impossible." Source (partially quoted verbatim): https://www.kuladig.de/Objektansicht/KLD-343754