A stunning Victorian abbey and walled garden on a lakefront.

An 1814 castle that hosts an exhibit of "explorabilia".

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

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

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

A corkscrew-shaped barn in Ireland.

The oldest public library in Ireland.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

Obelisks and stone pineapples in the Irish countryside.

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

A remarkably intact castle that once was the largest in Ireland.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

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

A moody and picturesque riverside ruin overgrown with vegetation.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

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

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

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

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

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

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.