Navigating the Halachic landscape of vacation

What can you buy in a store without a Hechsher?<br/>Halachos of Cholov Stam <br/>Going mixed swimming with family<br/>Taking a walk on the boardwalk<br/>Sitting next to women on planes<br/>Should you visit a Beis Hakvaros?<br/>Are you allowed to Daven to the dead or just in the Zechus of the dead?<br/>Can expectenat ladies go to a Beis Hakvaros?<br/>Can a Kohein go to Kivrei Tzadikim?<br/>Putting on a Tallis and Tefillin by Kivrei Tzadikim<br/>And much more……