Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

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

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

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

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

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

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Stockholm's narrowest alley is barely over two feet wide.

It houses the remains of a 17th-century version of the Titanic.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

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

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

Walk behind a 50-meter-high waterfall.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An architectural oddity hides in plain sight on this iconic London bridge.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

London's smallest police station is barely the size of a phone booth.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A public urinal so pretty, it was declared a national monument.

Climb inside an iron crystal magnified 165 billion times its normal size.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.