This is an old one posted in alt.humor.puns by Robert Payes. Thank you.

It’s said that, during the reign of Czar Nicholas II, an American visitor to the royal court was boasting about the Grand Canyon. Nicholas, not to be outdone by a mere American, retorted that Mother Russia had its own canyon, one that dwarfed the American’s puny excuse for a canyon.

“Show me!” insisted the American. Nicholas agreed, and the two undertook a trip to the site of … Read the rest...