A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

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

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

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

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

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

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

The house where the writer spent his formative years.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

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

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A giant glider—designed by the father of the Rubik's Cube's designer—now soars within a shopping mall.

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

A scene from one of Hungary's most famous novels.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A tribute to the builder(s) of Bitcoin.

The world’s first statue of the late Apple co-founder.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

On a teardrop-shaped island in the Danube, the ruins of a convent and the final resting place of a saint.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

A stone woman in a stylized dress honors a courageous politician.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.