Minyanim, Synagogues, Food Establishments: http://www.star-k.com/cons-balt.htm
Baltimore Zmanim: http://www.luach.com/posts/Region/baltimore
Hillel Houses in Baltimore: http://www.kosherdelight.com/MarylandHillel.shtml
Eruv of Baltimore Information: http://www.star-k.org/cons-balt-eruv.htm\
Charitable Programs & Donations: http://ahavasyisrael.org
Kosher Traveler: http://www.kashrut.com/travel/