i thought this was so cool-
http://dsc.discovery.com/news/briefs/20060424/7wonders_hum.html here are my votes:
taj mahal
st. basil
the colosseum
the eiffel tower
the great wall
pyramids
sydney opera house
when i applied to columbia for college they made me do an essay on the 7 wonders of my world; i thought it was the coolest question!