Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

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

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

An abandoned faux-pub made famous by a Guinness commercial.

Petrified footprints of one of the very first vertebrates to walk on land.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

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

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

A hugely vast Irish landscape of barren rock that stretches for miles.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

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

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Famously misunderstood wonder of the ancient world

Berlin's old airport.

A museum dedicated to a Cold War era sausage.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.