Excerpt from Ancient Europe, 8000 B.C. to 1000 A.D: An Encyclopedia of the Barbarian World by Peter Bogucki & Pam. J Crabtree Expressed Permission On Condition Of Citing Publication

• Theopetra cave
  • Greece
  • 21000 BC
  • Stone wall
  • The oldest known human-made structure.
  • The structure is a stone wall that blocked two-thirds of the entrance to the Theopetra cave near Kalambaka on the north edge of the Thessalian plain. It was constructed 23,000 years ago, probably as a barrier to cold winds.

• Tumulus of Bougon
  • France
  • 4700 BC
  • Tumulus
  • A complex of tombs with varying dates near Poitiers, the oldest being 4700 BC.

• Knap of Howar
  • Scotland
  • 3700 BC
  • House
  • Oldest preserved stone house in north west Europe.

• Ġgantija
  • Malta
  • 3700 BC
  • Temple
  • Two structures on the island of Gozo. The second was built four centuries after the oldest.

• West Kennet Long Barrow
  • England
  • 3650 BC
  • Tomb
  • Located near near Silbury Hill and Avebury stone circle.

• La Hougue Bie
• La Hougue Bie entrance and chapel
• Jersey
• 3500 BC
• Passage grave
• An 18.6 metre long passage chamber. The chapel above is medieval.

• Newgrange
  • Ireland
  • 3100–2900 BC
  • Burial
  • Partially reconstructed around original passage grave.

• Hulbjerg Jættestue
  • Denmark
  • 3000 BC
  • Passage grave
  • The grave is concealed by a round barrow on the southern tip of the island.

• Maikop kurgans Dolmen Russia Kavkaz Jane
  • Russia
  • 3000 BC
  • Tomb
  • There are numerous tombs, some perhaps originating in the Maikop culture, in the North Caucasus.

• Monte d'Accoddi
  • Italy
  • 2700–2000 BC
  • Possibly an open-air temple. “A trapezoidal platform on an artificial mound, reached by a sloped causeway.”

• Dolmen de Viera
  • Spain
  • 2000 BC
  • Tomb
  • The Dolmen de Viera or Dolmen de los Hermanos Viera is a dolmen—a type of single-chamber megalithic tomb.

• Bryn Celli Ddu
  • Wales
  • 2000 BC
  • Tomb
  • Located on the island of Anglesey.

• Nuraghe of Santu Antine
  • Italy
  • 1600 BC
  • Possibly a fort
  • The tallest of these megalithic edifices found in Sardinia.

• The King's Grave
  • Sweden
  • 1000 BC
  • Tomb
  • Near Kivik is the remains of an unusually grand Nordic Bronze Age double burial.

• Thracian Tomb of Kazanlak
  • Bulgaria
  • 300–400 BC
  • Tomb
  • Located near Seutopolis, the capital city of the Thracian king Seuthes III, and part of a large necropolis.