One of England's most famous churches hides a pair of little known architectural treasures.

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.

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

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

Secret Swing.

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

The biggest museum dedicated to insects in North America, one of the largest in the world.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

From lefty Jewish gathering site to hip cultural site in just 80 years.

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

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Two thirds of this Montreal neon icon has survived to flash another day.

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

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

One of the most iconic neon ads of former East Germany.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

Incredible labyrinth of man made caves.

This bone-filled cave got its name after they found 140 bear skeletons inside.