Legend says this cave housed a 16th-century cannibal and his family of 48.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

A book bound in the skin of an infamous criminal, along with countless other specimens.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

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.

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

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

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

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

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

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A snapshot of the city's fascinating voodoo culture.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The world's only museum devoted to the wonders of fluorescence.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This unattributed sculpture in Amsterdam is hiding in plain sight.

Museum preserving torture methods from the past.