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

Now containing the bones of the actual conquistador, instead of someone else.

Cat art as far as the eye can see.

Museum preserving torture methods from the past.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

A scenic overlook of a pit mine hundreds of meters deep filled with blue water.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

A hiking area billed as a possible home to Bigfoot.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

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

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

Over 60 chemical plants and oil refineries sit in a 15-mile-wide section outside town.

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

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A Hungarian pharmacy museum with a box full of mummy powder.

This 220-year-old house is a reminder of New York City's Dutch past.

Cold war icon and onetime "hole" in the iron curtain.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Naturally protected city carved from a rock face.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.