The remains of an attempt to carve a thriving metropolis from the forest, and once home to the first revolving door in North America.

Site of the first official transatlantic wireless communications.

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

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

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

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

A network of concealed passageways lies within a busy London Underground station.

A historic chapel filled with colorful murals and a colorful past.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

This massive, ancient stone was disassembled and then put back together again.

A unique collection of Science Fiction, Fantasy, and everything in-between.

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

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

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

Willy Wonka would love this weird half-a-home.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

This extensive nuclear fallout shelter built from 42 school buses could house 500 people in its tunnels.

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

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