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

This natural sea arch highlights Ireland's rugged coastal beauty.

The ruins of a medieval monastery named after a type of tree.

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

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

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

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

A stunning Victorian abbey and walled garden on a lakefront.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

Experience what life was like in Ireland during the Viking and medieval ages.

A moody and picturesque riverside ruin overgrown with vegetation.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Monasteries on rock pillars, once accessible only by frayed ropes.

Fantastic views and thousands of love locks.

It's good luck to be mocked by this monkey.