This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

Ancient ruins hidden underneath a modern luxury hotel.

The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This bridge was constructed from the rubble of the infamous Bastille.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This notorious Canadian mental institution was home to some of the first LSD experiments and origin of the word "psychedelic."

This Canadian exhibit with claims as the largest one man taxidermy collection in North America.

Dedicated to the people of Indian Head, Saskatchewan.

This museum provides a personal and intimate journey through the history of the Northern Rockies.

This bushy bug is one of the unsanctioned public sculptures that have survived in Regina.

This is one of the last remaining theatres in Canada to feature an Art Moderne architectural style.

A controversial blue hoop has been puzzling freeway drivers since 2013.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

This small beach park is littered with a collection of unique driftwood sculptures.