Stenar Ales is a megalithic stone circle in southern Sweden. The monument is believed to be built in the sixth century on an earlier site, and is the oldest, most famous megalithic formation in Viking culture.
Poulnabrone dolmen is a 6000 year old single-chamber megalithic tomb, that dates back to the Neolithic period. It is located in Ireland. It remains unclear as to when, why, and by whom the earliest megalithic tombs were made.
Nestling on the slopes of Wangsan, one of the peaks in the Jirisan region (Korea), is a giant turtle-shaped rock weighing 127 tonnes. Its shell is carved with ornate designs. It rests flat against the mountainside.
A very interesting runestone: "This stone is perhaps the oldest Viking rune stone found in Södermanland. The stone is from the second half of the The rune stone was actually found inside a burial mound in
The Uffington White Horse is a highly stylized prehistoric hill figure, 110 m long feet), formed from deep trenches filled with crushed white chalk. The figure presumably dates to the Iron Age BC–AD or the late Bronze Age BC)
The submerged ruins of the ancient Mycenaean harbor town of Pavlopetri date back to the Neolithic period BCE. A cultural hub of ancient Greece. Many intact buildings, courtyards, streets, chamber tombs and graves are visible off the coast of Laconia.
Serpent Stone in Aberlemno, Angus, Scotland ~ an unshaped standing stone, bearing incised Pictish symbols whose meanings are unknown. It's considered one of the finest & best-preserved Pictish symbol stones still standing in or near its original position.