This New York estate was designed to resemble a medieval Scottish castle.

A rare view of a preserved Victorian science museum.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

San Diego's most historic and haunted home.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The historic home of the pivotal political activist who led the Métis people in rebellion against the Canadian government.

A six-person chapel in the middle of Alberta's badlands.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

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

Few other hotels can rival the grandeur of the Castle in the Rockies.

This house of worship in the Arctic Circle is shaped like an igloo.

A modern version of the stone cairns built by the Inuit.

Locals believe the purity of this huge, untouched Arctic lake could be the salvation of human civilization.

Commemoration of a sea voyage gone mysteriously wrong.

Possibly the world's largest coin stands just outside of a Canadian science center.

The first "applecore" style lighthouse in Nova Scotia.

This ghost-town bar has bullet holes and plenty of stories lurking within its walls.