This Irish museum in a historic 19th century market pays tribute to the glory of butter.

Reportedly the "most handsome" market cross in Scotland.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

This little-known national museum houses over 40,000 works of art from across the world.

The first Chinese student to graduate from a European university.

The man who helped establish the first rules of golf.

A monument to a 19th-century Irish woman whose murder inspired several literary works.

This museum is dedicated to the most famous Irish writers in history.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

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

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

Venice's "Island of the Mad."

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

Inside this home, the Icelandic national anthem was born.

A graveyard for early settlers, sometimes called Old Pioneer Cemetery, hidden in the woods on a hillside.

An angelic, yet demonic-looking figurine presides over one of Glasgow's most ancient streets.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

A sense of bewilderment encounters visitors when they happen upon this former railway bridge.

This tablet indicates where the tragic monarch returned to begin her tumultuous downfall.

A former medieval fortress, now home to Edinburgh Napier University, contains a rather risqué work of art.