A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

This Toronto garden collects stares and tchotchkes in equal measure.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

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

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

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

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

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

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

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

An ancient burial ground believed to have been used for ritual sacrifice.