Dublin's "Dead Zoo" serves as a window to Victorian museum design.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

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

A giant concrete churn carries the legacy of American resilience, unity, and greed.

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

Slather on the history at an exhibition dedicated to this Russian luxury.

A tribute to smugglers and the Butter Wars.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This building once stood at the center of a butter war.

A reconstructed World War I-era communications array that was once hidden in plain sight.

Not many houses move across borders, this one did it twice.

This residence straddles a border between Belgium and the Netherlands.

Mysterious installations bring levity and light to a sometimes stodgy city.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This unique building in the main square stands out among the city's typically Baroque architecture.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This church is named for one of the most dramatic tales in the early Christian church.

A centuries-old forgotten underworld lies beneath Malta.

Dynastic Home of the De Piro Family.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Inside this faux cave, visitors can learn how some of their favorite fantasy characters were created.