The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

This Neolithic passage tomb forms part of a World Heritage Site.

An ancient neolithic tomb that only sees the sun twice a year.

This natural sea arch highlights Ireland's rugged coastal beauty.

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

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

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

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A burial vault located under Tiber Island in the middle of the Italian capital.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

This ancient stone necropolis is in danger of disappearing.

This ancient town is full of stunning Ottoman architecture and streets so narrow trash collection is done by donkey.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

Perched above the bustling town of Kerak is a sprawling, ruinous castle that has witnessed nearly a millennia of Levantine history.

A ghost village sits atop a mountain within Jordan’s largest biosphere reserve.

A more chill but no less fascinating version of the famous ancient archeological site.