A complicated, forgotten beacon of hope for thousands of immigrants, "Canada's Emerald Isle" lies in ruin.

A gated cross stands on the site where an Irish revolutionary met his end.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

This World War II relic let Allied pilots know they were entering neutral airspace.

A massive Celtic cross secretly growing in an Irish forest.

The modern birthplace of Irish freedom.

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

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

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

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

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

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

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

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

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

One of Ireland's most infamous prisons for rebels including men, women and children.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Where America's first doomsday cult awaited the end of the world.