Atlas Obscura is organizing trips! Join us on an adventure »
Today Only: 50% off Atlas Obscura books and calendars at Barnes & Noble »

Penedono, Portugal

Monte Penedono Dolmen

An ancient tomb still stands in Portugal. 

This burial chamber was built into the back end of a now destroyed church.

Its design made the polygonal chamber difficult to enter, with a long, sloping entryway, and pillars placed in the middle of the hall. Remnants of bonfires, a ceramic container, and other relic offerings place the last date of use at over 300 years ago, with the tomb itself dating back to 33rd century B.C.