These prehistoric replicas were based on actual skeletal remains.

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

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

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

A historic Montreal market that was the city's agricultural hub for over century.

Its columns were all carved from the same white oak tree.

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

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

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

Sweden's "good old days" painstakingly re-created in a model village.

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

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

This massive, ancient stone was disassembled and then put back together again.

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

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

The famous winding walk at Chartres is surrounded in mystery and myth.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.