The United States Mint in Philadelphia is located in Independence National Historical Park, a few blocks away from Independence Hall (where the Declaration of Independence was written and signed), The Liberty Bell, Benjamin Franklin's house, the First U.S. Post Office, and the Betsy Ross house.
The Mint is located at the intersection of 5th and Vine, in the neighborhood known as 'Olde City'.
They do give tours of the mint, although I do not know off-hand the schedule of the tours.
The address of the United States Mint is 151 N Mall E, Philadelphia, Pennsylvania. The Mints Headquarters is located in Washington DC. There are 4 other United States Mint.
151 Independence Mall East on 5th Street
You can buy directly from the US Mint, not the indivdual mint locations.
US Mint Philadelphia, PA US Mint West Point, NY US Mint Denver, CO US Mint San Francisco, CA
The "P" on US change stands for the Philadelphia Mint. It indicates that the coin was minted in Philadelphia, Pennsylvania. The Philadelphia Mint is one of the four United States Mint facilities that produce coins and other related items.
US Coins with no mint mark were minted at the US Mint's main facility in Philadelphia, Pennsylvania.
The first US mint (as versus a state or private coiner) opened in Philadelphia in 1792.
Philadelphia, Pennsylvania. Philadelphia is the only US mint to not put a letter mintmark on the coins made there. [ The mint at West Point has , at times, struck coins for the Philadelphia mint with no mintmark]
If a penny has no mint mark, it typically means it was produced by the Philadelphia Mint. Mint marks indicate where a coin was minted, and coins from the Philadelphia Mint, the oldest U.S. Mint facility, do not have a mint mark.
US coins minted before 1979-1981 (the exact date varies with the coin) don't necessarily have a mint mark. Coins without a mint mark were minted at the US Mint facility in Philadelphia. Since 1981, all coins except for the US cent will have a mint mark; for Philadelphia it will be a "P". US cents, often misnamed "pennies," minted in Philadelphia still do not carry a mint mark even through 2007.
Platinum Bullion coins are produced at the Philadelphia Mint and West Point Mint.
The mint mark on an 1848 US dollar coin can be found on the reverse side of the coin, below the eagle and above the "M" in the word "DOLLAR." If the coin was minted in Philadelphia, there will be no mint mark present, as the Philadelphia Mint did not use mint marks until 1979.
U.S. Mint
Today quarters are made in three mints: the Philadelphia mint, the Denver mint and the San Fransisco mint. The Philadelphia mint and Denver mint produce quarters for circulation, while the San Fransisco mint makes proof quarters for collectors.