At the base of this tower, a plaque marks the original center point of the Netherlands.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

A strange rock formation with numerous legends trying to explain it.

This enchanting mountain plateau celebrates spooky local folklore.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

Remarkably preserved body discovered in a peat bog.

This monument pays homage to a classic Dutch tune.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

The modern birthplace of Irish freedom.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

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

Modern sundial uses ancient methods to tell time and date perfectly.