The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This one-time health resort was used by aristocrats around the world.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A public work of art that also provides some relief from the summer heat.

A whimsical bridge adorned with decorative dragons.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

Strange rumors surround the artist who created these solemn metal guard dogs.

This abandoned Slovenian military barracks has become a punky-political art squat.

Breathtaking and huge 430 year old maps of Italy.

A small section of native wilderness on a university campus

The largest land animal skull ever discovered.

One of the last Art Deco gas station still standing in Dallas.

A symbol of Texas pride.

This downtown Dallas art installation is always on the lookout.

Witness to many historic moments in early Texas history.