One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

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

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

These locks on North America’s oldest canal are named after a porcine rock formation.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

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

A white Buddhist temple with a golden restroom.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A battle between nature and architecture in the Cambodian jungle.

Khmer Rouge's high security prison.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

An encyclopedic collection of mammal penises.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

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

One of the largest underground systems runs under Canada's largest urban center.

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

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.