LONDON (Bloomberg) — London officials are considering options such as a Guggenheim Museum, a university campus or "Hyde Park of the East End" for the 500-acre Olympic Park after the Games are over in 2012, said Mayor Boris Johnson.

"We want to create someplace special in the East End," Johnson said in a speech to a business group in London yesterday. "We want to attract visitors for years to come."

The 2012 Games are Europe's largest public construction project, with a budget of £9.3 billion pounds ($18.18 billion), and include rebuilding rundown sections of Stratford in east London. The comments of Johnson, a Conservative who defeated incumbent Mayor Ken Livingstone in May, suggest he may revise plans put in place by his predecessor.

Johnson, addressing a meeting of the Confederation of British Industry, said he was concerned that the "legacy" of the Games, or the use of facilities in the Olympic Park after the event, haven't been adequately thought out.

"After the cheering has ended in the stadium and the crowds have gone home you have to make sure the legacy is not a bunch of weed-covered ruins," he said.

The mayor said he planned to appoint local officials and business representatives and create a "special-purpose vehicle" to oversee planning for the site after the Games.

City officials and Olympic planners have been discussing the legacy for months. The 80,000-seat main stadium has been designed to break down to a 25,000-seat facility suitable for a football or rugby team and for community athletic use.

In March, the Olympic Delivery Authority said it would transform half the Olympic Park into the largest public park developed in the city for 150 years. The area will measure 100 hectares (247 acres), similar in size to Hyde Park, and would be completed around 2014, it said.