This municipal playground was co-created by the father of one of the most playful characters ever.

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

An adorably sweet display of sculpted Precious Moments figurines.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A popular rock that acted as a waymarker for American pioneers.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The modern birthplace of Irish freedom.

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

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The oldest public library in Ireland.

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

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

One of Ireland's most infamous prisons for rebels including men, women and children.

Op-art architecture designed for happiness.

The final resting place for the remains of 143 Habsburg royalty.

This single room has survived the centuries with almost no deterioration.

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

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

Nearly 2 billion seeds from 38,000 species are stored and processed at this visitable facility in a quiet corner of England.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

One of England's most famous churches hides a pair of little known architectural treasures.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.