Claim: Guyana borders the Pentagon.
Evidence: Guyana -LRB- pronounced -LSB- ɡaɪˈɑːnə -RSB- or -LSB- ɡaɪˈænə -RSB- -RRB- , officially the Co-operative Republic of Guyana , is a sovereign state on the northern mainland of South America.
The Pentagon is the headquarters of the United States Department of Defense , located in Arlington County , Virginia , across the Potomac River from Washington , D.C..