• Alabama, AL
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• Oregon, OR
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• South Dakota, SD
• Tennessee, TN
• Texas, TX
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• Vermont, VT
• Virginia, VA
• Washington, WA
• West Virginia, WV
• Wisconsin, WI
• Wyoming, WY

• Alberta, AB
• British Columbia, BC
• Manitoba, MB
• New Brunswick, NB
• Newfoundland, NL
• Northwest Territories, NT
• Nova Scotia, NS
• Ontario, ON
• Prince Edward Island, PE
• Quebec, QC
• Saskatchewa, SK
• Yukon Territory, YT

• American Samoa, AS
• Armed Forces - Americas, AA
• Armed Forces - Europe, AE
• Armed Forces - Pacific, AP
• Federated States of Micronesia, FM
• Guam, GU
• Marshall Islands, MH
• Northern Mariana Islands, MP
• Palau, PW
• Puerto Rico, PR
• Virgin Islands, VI

The oldest roses: Colorado fossils of the rose which were alive 40 million years ago are the oldest evidence of roses.

Correct attire for visiting the city: There was a song in the 70's advising people to wear flowers in their hair when going to San Francisco.