Iconic rock formations that allow for exploration during high or low tide.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Traditional 15th century Chinese garden in the middle of Vancouver.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Tropical paradise strewn with hundreds of World War II wrecks.

Final resting place of the most prolific Fijian cannibal of all time.

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

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

Northern Ireland's Brobdingnagian stepping stones.

Famously misunderstood wonder of the ancient world

Bell tower juts out from a village buried under a lake.

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

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

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

The ancient tomb acts as a calendar that keeps perfect time.

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

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Tiny castle in the middle of the Rhine made you pay to pass.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The fairy tale castle of the "fairy-tale king."