What do we know about the real woman behind one of the Beatles' most famous songs?

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

This center tells the story of one of the most famous battles in Irish history.

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

This rare and ancient Christian relic is one of Ireland’s oldest freestanding stone crosses.

It's said this geological anomaly was caused when the Devil took a bite out of the Irish mountainside.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

The world's only flying boat museum honors a small Irish village that sent 20th-century aviation to new heights.

Ireland's only German military cemetery holds the remains of a spy who was moved there under the cover of darkness.

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

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.

The skeleton of a whale that beached itself in this Irish town is now on display in their public park.

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