My current single player world. Highlights:
-Multiple auto & semi-auto farms (cobblestone, iron, rainbow sheep, chicken, wheat/potato/carrot, sugarcane, pumkin/melon, etc.)
-Suspension bridge over 250 blocks
-Large Castle (furnished & supplied) & City (over 100x100 w/ 55+ buildings)
-'Burj Minecraftia' 140 block tall skyscraper
-Nether Transport System

Details:

'Farm' Area:
> Keep (~25x25) w/ supplies
> Cobblestone generator
> Rainbow sheep farm
> Semi-auto wheat/carrot/potato farm
> Tree farm
> Auto egg farm
> Auto pumkin/melon farm
> Semi-auto sugarcane farm
> Iron Golem Farm
> Pens with pigs and cows
> Underground pen with mooshrooms
> Snow farm (snow golem)
> Suspension Bridge (over 250 blocks long)
Town Area:
> Large Castle (~50x50) includes:
- Nether portal room
- Large storage room
- Automated smelting system
- Decorated areas (bedrooms, living room, etc.) w/ carpet, furniture, etc.
- Throne room
- Large basement excavation to bedrock (in progress)
> 'Burj Minecraftia' skyscraper
- Modeled after the tallest building in the world (Burj Khalifa)
- 140 blocks tall
- 20 terraces
> Japanese Style Pagado w/ Cherry Tree Garden
> Main town (over 100x100 w/ 55+ buildings & 50+ villagers & 6 Iron Golems) includes:
- Gardens
- City Hall
- Blacksmith
- Church
- Inn
- Farm w/ Barn and Silos
- Mansion
- Apartments
- Houses
- Restaurant
- Shops
- Magic Shop
- Public Bath
- Minecart Station
Other Areas:
> Nether transport system connecting all areas
> Far North area includes mushroom island and jungle
> Houses/Bases near 2 of the 3 strongholds
> Mine system under Farm and Town Areas
> Igloo in NW Tundra
> Swamp House
> Upgraded NPC Village

*****Many Building Designs Credited to ColtCoyote*****
Check out his stuff: http://coltcoyote.deviantart.com/

at the Moment there are not many Features on this map but it makes a lot of fun to explore the whole big City with a car (horse) or by Walking

In the future the map will get more secrets, Shops ,houses an more

Information about the Updates

The short Updates like 1.1 to 1.2 have no Special Features they are only for the growing of the City for example new Houses,Shops and parks nothing Special.

The big updates V 1 to V 2

They are for the Fun and the look of the Map and new big buildings like new Bridges or Special Skyscrapers like the Woolworth building.
for the fun there are more freetime Features in this updates like Jump and runs more houses which you can enter and Special Parks.
For the look ... Comes in this Updates more Advertises,or places to sit and chill and more light in the night (i know ist actually a big Problem xD)

sorry for bad english ;) im german :) thanks for reading :*

New in V 1.1

over 15 new houses
new Parks and Shops
A swimmingpool
a new City district

New in V 1.2

more houses
ships
bigger river
parks

New in V 1.3

More houses
parks
Shops
and a bigger river

New in V 2.0

New Houses
a New Apartmant
over 7 New Shops
The World Finincial Center (New York)
The Big Park at the end of the Island
a New Secret
More Light in the Night
A Big Park in Colony
A Street with rich Shops
more Deatils
a Concert Plaza with working firework shooter
and a new ship (at the Moment it is empty)

New in V 2.1

over 15 new houses
a new shop
a Little park
better night lights
you can enter a part of the World Financial Center