One of the best preserved of all ancient Roman buildings, in large part because it has been in continuous use throughout its history, the Pantheon in Rome was completed in 129 CE.
London's oldest building, standing at 41/42 Cloth Fair, was built between 1597 and 1614.
The gothic Bummerlhaus in the town of Steyr stands as one of the finest medieval secular buildings in Austria.
Established in 1585 and set on Spaniards Road between Hampstead and Highgate in London, this historic pub has been serving drinks ever since.
Dating back to 13 BCE, Rome's Theatre of Marcellus was a center of drama and song until it fell out of use in the fourth century.
Waterford in County Waterford, in southeast Ireland, is where you'll find the country's oldest civic building—the mid-13th century Norman-era Reginald's Tower, in use for over 800 years.
One of Lisbon's most unusual properties is Casa dos Bicos (House of Beaks, or Spikes), named for the diamond-shaped protrusions decorating the south facade.
Matera, an Italian town built into the rocks in the remote southern region of Basilicata, is said to be the only place in the world where people are still living in the same houses of their ancestors of 9,000 years ago.
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