Elaborate tile work in this railway station tells the story of Portugal.

The stunning interior of this Gothic church is covered in ornate gold details.

Ancient catacombs form the foundation for this Rococo orgy of a church.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

An 1814 castle that hosts an exhibit of "explorabilia".

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

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

A hugely vast Irish landscape of barren rock that stretches for miles.

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

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

The world's tallest box hedge is found in a delightful garden.

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

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.