They even sponser a conference on this. Nice place, let's just keep "talking" about peace:

AP - President Mahmoud Ahmadinejad declared Wednesday that Israel is a "disgraceful blot" that should be "wiped off the map" — fiery words that Washington said underscores its concern over Iran's nuclear program.

Ahmadinejad's speech to thousands of students at a "World without Zionism" conference set a hard-line foreign policy course sharply at odds with that of his moderate predecessor, echoing the sentiments of Ayatollah Ruhollah Khomeini, the founder of Iran's Islamic revolution.
The United States said Ahmadinejad's remarks show that Washington's fears about Iran's nuclear program are accurate.

"I think it reconfirms what we have been saying about the regime in Iran," White House press secretary Scott McClellan told reporters in Washington. "It underscores the concerns we have about Iran's nuclear intentions."

Ahmadinejad also condemned Iran's neighbors which seek to break new ground in their relations with Israel. "Anybody who recognizes Israel will burn in the fire of the Islamic nation's fury," state-run television quoted him as saying.