Exporting your calendar can be done in a few quick steps:
Google Calendar
Login to MyPlace and navigate to your place's Calendar
From your calendar page, click on the 'Settings' icon (top right)
Copy the green 'copy' button next to your place's calendar link

Open Google Calendar. In the left-hand panel, scroll down to 'Other Calendars' section.
Click the ' + ' icon, then click on 'From URL'

Paste the link you copied in step 3 into the input field > Click the 'Add calendar' button
Return to the Google Calendar page you started on, and notice your MyPlace calendar has been added! From here, check the box and you should see all of your guest's trips added to your calendar!
iCal

Paste the link you copied in step 3 into the input field
Give your new calendar a name and adjust any settings you'd like

Voila! Your MyPlace calendar is now integrated with your iCal.