The ritual has been performed uninterrupted for nearly 700 years.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Just another ancient, mysterious Irish stone circle.

The largest portal tomb in Europe has a capstone weighing around 150 tons.

Petrified footprints of one of the very first vertebrates to walk on land.

The oldest licensed distillery in Ireland.

The remains of this deep, dark mine have left behind a haunting rocky warren of tunnels.

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

Certain traditions prevail on the least-visited island of the Aran Islands.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

A hugely vast Irish landscape of barren rock that stretches for miles.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

A standing relief of a Norman knight whose posture marks him as a Crusader.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

Huge standing stones mark a site of megalithic mystery.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.