These striking hilltop ruins include a 12th-century royal chapel, cathedral and round tower, plus some fine high crosses in the churchyard.

This ancient monastic site includes a large cemetery, two ruined churches, a tall round tower and two of the finest high crosses in Ireland.

Each year, a million pilgrims and visitors make the trek to the top of this holy mountain to pray, do penance, or just enjoy the spectacular views.

This ancient monastic settlement in a spectacular natural setting was founded by St. Kevin, a hermit monk (d.618). Its extensive ruins include several churches and a graceful round tower.

This great tomb-temple dates from 3200 BC, a thousand years before Stonehenge was built. It is astronomically aligned and includes some fascinating ancient rock art.

In 1879, the Virgin Mary, St. Joseph and St. John appeared at the parish church in Knock. Today, 1.5 million pilgrims visit the shrine each year.

This beautifully simple stone church was built and used by local farmers of the area at an early date, estimates of which generally range from the 6th century to the 9th century.

From 588 to 1100 AD, this dramatic rocky island hosted the tiny beehive huts of hermit monks.