Casa Loma is a Gothic Revival style house in midtown Toronto, Ontario, Canada, that is now a museum and landmark. It was originally a residence for financier Sir Henry Mill Pellatt.
Casa Loma was constructed over a three-year period from 1911–1914.
At 98 rooms, it was the largest private residence in Canada. Notable amenities included an elevator, an oven large enough to cook an ox, two vertical passages for pipe organs, central vacuum, two secret passages in Sir Henry's ground-floor office and three bowling alleys. Casa Loma has five acres of gardens. An underground tunnel connects Casa Loma to the Hunting Lodge and to The Stables - Garage, Potting Shed, Stalls, Carriage Room and Tack Rooms.
During the depression that followed World War One Pellatt was forced to auction off $1.5 million in art and furnishings for only $250,000. The city seized Casa Loma in 1933.

Today it is one of Toronto's most popular tourist attractions