An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The modern birthplace of Irish freedom.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

This museum is dedicated to the most famous Irish writers in history.

A particularly disconcerting tribute to Irish martyrs.

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

This is the largest cemetery in Ireland and the first cemetery museum in the world.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

This Neolithic passage tomb forms part of a World Heritage Site.

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

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The atmospheric road was never meant to be so creepy.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

A map made up of 32 different materials, representing Ireland's 32 counties.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.

At a rest stop north of Seattle, you can drive through the trunk of an ancient tree.

A wall of chewing gum moonlights as collective art.