Your Top Five Archiological Wonders of the World Secret Ballot

[Mysterious F.]

Well, they've been built, they've been famed, they're still up! What are your Top Five Archiological Wonders of the World? In other words, your top five buildings, (Empire State Building, Taj Mahal) groups of buildings associated with each other, (Pyramids of Giza, Acropolis of Athens) or other man made archiological wonders. (Great Wall of China, Brooklyn Bridge) This is actually going to be a contest.

When you're done deciding which five you like best, PM me your decision for a secret ballot. At the end of the month, the five that have scored the highest results will be listed here. You are also NOT to reveal your votes openly on the site. (Main forums)

For your archiological wonder to qualify, they must follow at least all of five conditions:

1) They must still be standing or well preserved.
2) They must be well known.
3) They must reflect upon the culture of their land.
4) They have to be over 50 years old.
5) They must be a building given an official widely known name.

Now, to add emphasis to the rules, here are examples:

1) The Lighthouse of Alexandria (Egypt) doesn't follow this rule because is was destroyed over 650 years ago. However, the Pyramids of Giza do count.
2) This can be any famous man made structure, not just one known by everyone in the wolrd. The Hagia Sophia (Istanbul, Turkey) isn't as well known like the Great Wall of China, but still is well known.
3) This means they either are one of the first things you think of when you here a country or city. (Giza or Egypt --> the Pyramids) The Empire State Building, Brooklyn Bridge, Eiffel Tower, Fallingwater, and Big Ben, despite being what is considered 'new' still count, because they could still reflect the style of their city.
4) This is pretty much a back up of rule 3. ANYTHING less than 50 years old doesn't count, because of how little notable buildings of this stature were made in the last 50 years.  Probably the only one that could have made it on the list at all is the World Trade Center, which is gone. And they wouldn't be as well known as older buildings.
5) Any unnamed archiological wonders don't count because... they're nameless. This means they are so not very well known that no one bothers to name them, so they are unimportant.

Also, please note that this ISN'T a 'Your five favorite buildings' ballot, but a 'Your five most important buildings in history' ballot. Try to keep in mind not just buildings you like, but buildings that play very important rolls in culture.

The voting begins now, and I AM voting. I hope you make good choices.