1-The Channel Tunnel
2-The Clock Tower (Big Ben)
3- The CN Tower
4-Eiffel Tower
5-The Empire State Building
6-The Gateway Arch
7-The Golden Gate Bridge
8-The High Dam
9-Hoover Dam
10-Itaipu Dam
11-Mount Rushmore National Monument
12- The Panama Canal
13-The Petronas Towers
14-The Statue of Cristo Redentor
15-The Statue of Liberty
16-The Suez Canal
17-The Sydney Opera House
A- St. Louis, USA
B- Arizona/Nevada, USA
C- Toronto, Canada
D- English Channel
E-Panama
F- Rio de Janeiro, Brazil
G- London, England
H- New York City, USA
I- Aswan, Egypt
J- Kuala Lumpur, Malaysia
K- Brazil/Paraguay
L- San Francisco, USA
M-Egypt
N- New York City, USA
O- Australia
P- Paris, France
Q- South Dakota, USA
l-D, 2-G, 3-C, 4-P, 5-H, 6-A, 7-L, 8-I, 9-B, 10-K, 11-Q, 12-E, 13-J, 14-F, 15-N, 16-M, 17-O