Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

More than 21,000 images fill this overlooked gem of a prehistoric site.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

After a traumatic encounter with a six-foot eel, one Galway baker started making a daily loaf of sourdough in its shape.

For fans of the stained glass art of Irish illustrator Harry Clarke, this church is the place to be.

The smallest chapel in Europe is a moving testament to the love between a husband and wife.

A small memorial commemorates a man who died at Kilkee Cliffs.

Curated by a small staff of veterans, the Carlow Military Museum valiantly provides a personal perspective on over 800 years of Irish history.

Ireland's most northerly island is hauntingly beautiful. Its lighthouse was the last glimpse of home for many Irish emigrants bound for the U.S.

Horse cemetery on the grounds of Blarney Castle.

This memorial was created by an Irish nurse who lived in New York City during 9/11.

The ruins of a sixth-century monastery sit on the banks of the River Shannon.

An unassuming historical marker for an iron age fort leads you to an oddly adorned cemetery for unbaptized children.

A monument to a 19th-century Irish woman whose murder inspired several literary works.

The ruins of a monastery that dates to the 7th century.

The burial place of 14 of the executed leaders of the Easter Rising.

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

The remains of a 13th-century Franciscan friary have survived multiple attempts at destruction, most recently in 1921.

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

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."