Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A once-fairy tale mansion now stands in a state of disrepair.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

This supermarket offers shoppers a window into the past alongside their groceries.

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

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

The modern birthplace of Irish freedom.

The house where the writer spent his formative years.

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

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

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

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

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

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

2300-year-old Roman road connecting the empire.

A saintly relic hidden in a Prague church basement.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

An early-20th-century "dacha" village of quaint cottages curiously located in a modern part of Moscow.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

This beautiful, historic church looks like something out of a simpler past.