Louise Bourgeois' 30-foot-tall steel spider sculpture.

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

Soaring over the Niagara Whirlpool since 1916.

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

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

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

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.

The highest point in Washington state is a volcano covered in glaciers.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

The tiny church offers succor to travelers driving by, but only eight at a time.

The gravestones in this lost burial ground were bulldozed and replaced with houses and a dog park.

This Seattle curio shop collects and sells haunted items in order to spread wonder one grim artifact at a time.

This former coal gasification plant found a curious second life as a popular public park.

An extraordinary mixture of natural beauty and man-made phenomena.

These early tent-shaped grave coverings are unique to Appalachia.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

The above-ground crypts at this Catholic cemetery face north-south instead of the usual east-west.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

The decaying remains of a 1960s mechanical wonderland that never officially closed.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.