11.   Agents posted outside would see what visitors entered the Oval Office.

12.   Currently, visitors enter the Capitol through several entrances near the central staircase.

13.   During a walk through the village, visitors can enter the shipping office, grocery and hardware store, printing office, chapel, schoolhouse, and tavern.

14.   Fort Daniel Elementary School in Dacula has taken to locking its back doors to ensure visitors enter only though the front of the building.

15.   In Dallas, visitors enter through a corridor and walk beneath a clear, plate-glass platform that supports hundreds of glass objects, large and small.

16.   It closes automatically when a visitor enters.

17.   Later, another visitor entered the room with a Monarchs jersey on.

18.   Mosques are open all day every day, although small signs ask that visitors not enter during prayers.

19.   No visitor can enter without donning a lab coat, hairnet, and knee-high boots.

20.   Once foreigner visitors enter the United States, immigration officers and law enforcement agencies usually have no idea if they are complying with terms of their visas.