25 APR 2012: Air Canada might not be your first thought if you were looking for a leather vest signed by George Clooney, but it was in fact offered by the airline’s loyalty programme Aeroplan for 177,000 points.  Airlines all over the world are offering unique and sometimes priceless rewards and benefiting by retrieving some points back in their system.

Wisconsin based IdeaWorksCo.com put together a list of 40 rewards offered by airlines all over the world that go beyond basic flight bookings.

The following are some of the most interesting.

•    Etihad Airways is offering a $3.5 million yacht for anyone willing to cash in 386 million miles.

•    Latvian National Airline’s AirBaltic will provide a dogsled adventure for 13,754 points.

•    For 14,700 points you can take a beer tasting tour in Brussels with American Airlines.

•    Virgin Atlantic provides “Flying without Fear” classes for 35,000 points.

•    In 2009 Delta auctioned volunteer work at Habitat for Humanity homebuilding project in Thailand.  The price was 401,001 Skymiles.

•    Lufthansa passengers can get a year of socks with three pairs being delivered over three different periods for 21,000 points.

•    Icelandair points can be used for an on-board purchase of a “happy marriage cake” for 650 miles.

With regard to the beef cake, the George Clooney leather vest is no longer available in the Aeroplan store.