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

This mountaintop mariner’s church is packed with model ships and nautical art while hosting an annual maritime festivity for the townsfolk below.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

A huge Megalithic chamber tomb located behind a cafe.

The largest underground church in Europe.

The sunken structure looks like the victim of a catastrophic flood.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Artists have long been drawn to these atmospheric 12th-century ruins.