A haunted slate mine turned concert hall and a hidden fairy garden.

The largest greenhouse in the world is home to over one million types of plants.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

The colorful, smiling concrete silos of Vancouver.

After spending more than a century on the ocean floor, this shipwrecked column is finally resting atop solid ground.

Step aboard the first ship to circumnavigate North America.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

The sculpture of the deceased cockatoo flops atop its personal plinth.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.