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

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

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

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

The world's most elegant power lines.

The effect of this ancient form of image projection situated atop an 11th century Moorish palace is thrilling.

This centuries-old tower hosts endangered bald ibis mating pairs and looms over a pristine beach.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This snug medieval lane is one of the narrowest streets in the world.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Historic beer hall in Bucharest with magnificent stained glass and a lively folk band.

A man's curious and seriously small handmade objects from around the world.

The gardens and chambers of this Moorish citadel conjure memories of the Alhambra.

An eerie collection of the surviving structures from a past celebration of the future.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

A monument to one of the greatest matadors of all time.

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

Featured in one of the most iconic scenes in cinema history.

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.