26 April 2025 The Future is the Product of the Past

Stone Age Architectural Marvel Unveiled Deep in the Baltic Sea: It may be one of the largest known Stone Age structures in Europe

Hiding deep beneath the Baltic Sea, an architectural wonder of the Stone Age has been discovered by researchers. This megastructure, which is situated 21 meters (69 feet) below the surface of the sea in Germany’s Bay of Mecklenburg, is thought to be over 10,000 years old. It is almost a kilometer (0.62 miles) long and is made up of big stones that have been thoughtfully placed.

The wall, which may be the largest Stone Age megastructure in Europe, is believed to have been constructed some 11,000 years ago to direct reindeer into areas where they could be killed more easily.

The German research team, led by geophysicist Jacob Geersen of Kiel University, hypothesizes that the structure was part of a wall used by ancient hunter-gatherers for hunting. The structure has been named the Blinkerwall.

Researchers used a combination of ships and submarine drones to survey the area, collecting sonar data on the shape and size of the long-lost structure.  The sheer number of rocks, as well as their organized placement, told the researchers that the formation was not crafted by natural processes.

Tectonic movements, erosion, and changes in climate, including sea level and glaciation, have all contributed to the gradual shifting of Earth’s landscape over time, resulting in the sea swallowing up numerous coastal settlements and structures. Technological advances have now made it possible to discover these lost structures.

Graphical reconstruction of the stone wall as a hunting structure in a glacial landscape. Michał Grabowski
Graphical reconstruction of the stone wall as a hunting structure in a glacial landscape. Michał Grabowski

While the Blinkerwall was on dry land around 10,000 years following the end of the last Ice Age. However, it was ultimately flooded due to sea level rise sometime between 8,600 to 8,000 years ago.

Examination of the site indicates 1,670 stones organized over a 971-meter (3,186-foot) stretch, with each stone being under a meter in height and 2 meters in width. So the team thinks the structure was built by linking large stones that were too heavy to move with smaller stones that could be shifted.

The researchers rule out the Blinkerwall being used as a fish weir or coastal defense because the structure does not meet the requirements for these uses, despite its proximity to an ancient shoreline or bog.  Instead, they suggest that the wall could have been used to corral large animals like reindeer or bison for hunting.

Team member Marcel Bradtmöller, an archaeologist at the University of Rostock, believes it was probably made by hunter-gatherers belonging to what is known as the Kongemose culture, named after a site in Denmark where artifacts such as stone tools have been found.

The Kongemose culture (Kongemosekulturen) was a mesolithic hunter-gatherer culture in southern Scandinavia ca. 6000 BC–5200 BC and the origin of the Ertebølle culture.

Similar low walls, also known as desert kites, have been discovered under the Great Lakes in North America, as well as in numerous locations throughout Africa and the Middle East. Some are up to 5 kilometers long, and it is now widely accepted that they were used for hunting.

The new study is published in the journal Proceedings of the National Academy of Sciences.

Cover Photo: 3D model of a section of the Blinkerwall adjacent to the large boulder at the western end of the wall. Photographs were taken by Philipp Hoy, Rostock University.

Related Articles

Mysterious ruins discovered at the bottom of Lake Van, Türkiye’s largest lake

16 August 2023

16 August 2023

At the bottom of Lake Van, Türkiye’s largest salty soda lake with 3,712 square kilometers, divers discovered a cemetery and...

Hellenic and Roman statue heads unearthed in Knidos

9 December 2021

9 December 2021

Hellenic and Roman sculpture heads were unearthed in the ancient Carian settlement Knidos, located in the Datça district of Muğla...

Tanzania’s mysterious footprints were made by early humans, not bears

6 December 2021

6 December 2021

The prehistoric footprints discovered by archaeologists caused confusion because scientists looked at them again to determine whether they were left...

Two monumental sculpted Roman heads unearthed in Carlisle, northern England

25 May 2023

25 May 2023

Two monumental statue heads believed to be dated to the early 3rd century have been unearthed during excavations at a...

Archaeologists find evidence of how Iron Age Britons adapted to the Roman conquest in Winterborne Kingston

29 June 2024

29 June 2024

Archaeologists from Bournemouth University (BU) have discovered human remains and artifacts which give new insight into how early Britons adapted...

On the beach of Herculaneum, a victim of the Vesuvius explosion was discovered with his bag

4 December 2021

4 December 2021

Archaeologists released haunting images Wednesday of the skeletal remains of a man buried by the eruption of Mount Vesuvius in...

Analyses of a 2,900-year-old iron chisel from Portugal revealed surprisingly high-quality steel

22 September 2023

22 September 2023

Steel tools were believed to have only become widespread in Europe during the Roman Empire, but a recent study shows...

Archaeologists may have Found a Viking Age Marketplace in Norway

21 February 2024

21 February 2024

Archaeologists from the University of Stavanger have identified the possible remains of a marketplace from the Viking Age on a...

Archaeologists find rare treasure in Suzdal of Russia

15 August 2021

15 August 2021

The twentieth season of fieldwork brought an unexpected discovery to the Institute of Archeology of the Russian Academy of Sciences....

Pictish ring believed to be more than 1,000-years-old found during Burghead fort dig in Scotland

5 September 2024

5 September 2024

A “remarkable” Pictish ring thought to be more than 1,000 years old has been unearthed by an amateur archaeologist on...

Poland’s oldest copper axe discovered in the Lublin region

30 March 2024

30 March 2024

A copper axe from the 4th to 3rd millennium BC identified with the Trypillia culture was found in the Horodło...

1900 years old a Customs Inscription from the Lycian civilization reveals Anatolia’s strategic importance in maritime trade

16 September 2023

16 September 2023

A Customs Inscription from the Lycian civilization, located in Andriake port in the southern province of Antalya’s Demre district, tells...

Remarkable discovery of Iron Age and Roman treasures found near a boggy area on Anglesey

29 February 2024

29 February 2024

Metal detectorist Ian Porter unearthed sixteen historical artifacts in a boggy field on Anglesey. Among the items found were Iron...

A 4,000-year-old treasure map of France’s

17 October 2023

17 October 2023 1

Overlooked for millennia, a rock fragment adorned with enigmatic inscriptions has emerged as a valuable “treasure map” for archaeologists. After...

Archaeologists Uncover Extensive Ancient Irrigation Network in Eridu, the World’s First City

8 March 2025

8 March 2025

Recent research by a multidisciplinary team of archaeologists and geologists has revealed that the Eridu region of southern Mesopotamia, inhabited...