Scattered throughout London are ancient remnants of the city's former bounding wall.

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

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

A mysterious lake provides fresh water without any source, somehow restoring itself from atop its mountaintop perch.

A castle built for love, and abandoned due to heartbreak.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

This illuminated sign was the first of its kind in Canada and remains a vestige of the Atomic Age.

These prehistoric replicas were based on actual skeletal remains.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

The world-record holder for the longest bridge stretching continuously over water.

This giant roadside fruit is home to an array of apple-based treats.

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

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

Only six people can sit inside this delightfully quaint sanctuary.

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.

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

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

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

Canada's subterranean Cold War museum has doubled as a movie set.