Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

Single runway interrupted by a busy road that cuts across its middle.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

The world's most remote airport.

This was once the center of the Birdman cult, and is now a World Heritage Site.

This large round boulder is said to emit spiritual power, but it may just be magnets.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The quiet field that inspired one of the most famous songs of all time.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

This stunning concert hall has become a symbol of Iceland's national recovery.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

The city of Halifax still bears the scars of the largest explosion prior to the atomic bomb.

These locks on North America’s oldest canal are named after a porcine rock formation.

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

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

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

What happens when a sculptor has to find a way around a 100-year-old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.