In a brand new passport, I’ve had a guy in an “office” in the Bahamas stamp the very last page of the book. In some places, overlapping stamps is a cardinal sin. That’s four neat stamps ...

There’s something inherently sentimental about flipping through an old passport. Each stamp, stain and dog-eared page evokes memories of past trips and bragging rights among fellow well-traveled ...

"Some tourist attractions will have their own 'passport stamp,' but since these are not official government agencies, they could invalidate your passport," Diehl said. "As a rule of thumb ...