The shallow, salty inlet was a safe haven for 19th-century pirates.

Legend has it this historic port was a popular hideout and smuggling spot for pirates.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A surreal, Gaudi-inspired play space near an Anaheim community center.

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

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

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

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

The whiskey producer's archives includes a historical list of infractions committed by and associated penalties exacted upon employees.

Fluffy and friendly alpacas nestled against the border of the beautiful Connemara region.

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

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

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

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

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

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

Some of the saint's blood and bones are said to reside in Dublin.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

Behemoth, cannon-like telescope operated by generations of Irish earls.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

The ruins of a medieval monastery named after a type of tree.