The Oldest Buildings in the World

16. Dolmen de Viera (2000 BC), Spain

Dolmen is a generic name for stone-age tombs, and there are many skeletons around this address in Spain.

Dating back to 2000 BC, this monument and other nearby tombs were discovered between 1903 and 1905 by brothers Antonio and Jose Viera.

Named after its discoverers, the structure has a long corridor, and the burial chamber consists of 27 giant stones.

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