This whimsical fountain pays tribute to Toronto's four-legged friends.

Little island known for its massive beachfront "flowerpot" pillars.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

305 homemade stone stairs wind their way up the Hamilton escarpment.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

These strikingly barren, rolling red hills were caused by bad farming practices.

This natural sea cave hides a small wonderland of natural turquoise beauty.

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.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

England's most famous front door has an accidental doppelganger.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.

One of Oxford's greatest treasures likely belonged to the legendary King Alfred the Great.

The only pub in the world surrounded by an ancient stone circle.

These mysterious mazes carved on the rock may be up to 4,000 years old.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

A subterranean playground in an abandoned slate mine.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.