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

This ancient Irish landscape boasts hundreds of legendary ruins.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

The world's tallest box hedge is found in a delightful garden.

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

Huge standing stones mark a site of megalithic mystery.

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

After being destroyed by IRA sympathizers, the ruins of this stately Irish manor have sat vacant for decades.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

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

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

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

A corkscrew-shaped barn in Ireland.

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

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

Obelisks and stone pineapples in the Irish countryside.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

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

Local legend says the remains of Father Christmas lie within the medieval grounds.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

The ancient tomb acts as a calendar that keeps perfect time.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.