It's Carl's flying house from the Disney-Pixar's 2009 movie UP.
Disney's Up: Carl's Flying House Papercraft

Here's a small update from Saschacraft. The flares from the Tomb Raider IV are used by Lara to light up the area around her.
Tomb Raider: Flare Papercraft

Check out this awesome custom of the Ye-bot papertoy by Sal Azad.
Star 08 Ye-Bot Papercraft: Sal Azad Custom

So how do you design a papercraft of something invisible? ddi7i4d of nintendo papercraft has come up with an answer with this model of invisible Boo.
Mario: Invisible Boo Papercraft

Wingull is a dual-type water/flying Pokémon. Wingulls are small, white bird-like Pokémons that make their nests at steep cliffs hanging over the sea of the Hoenn and Sinnoh regions.
Pokemon: Wingull Papercraft

The McDonnell Douglas (now Boeing) F/A-18 Hornet is an all-weather carrier-capable multirole fighter jet, designed to attack both ground and aerial targets. The F/A-18 was derived from the YF-17 in the 1970s for use by the United States Navy and Marine Corps-wiki
Air Force: F/A-18 Hornet Papercraft

This is a follow up to the navy papercrafts that I've posted a while ago. A reader alerted me about these models but I forgot to post 'em.
Army: M1A1 Abrams Tank & ARH Tiger Helicopter Papercraft

Wow! Look at the size of that gun. It's the combat shotgun from the Fallout 3 video game by Mike McDermott. It came out almost two weeks ago but I've only seen it now, sorry 'bout that.
Fallout: Combat Shotgun Papercraft

FLCL (,Furi Kuri, known in North America as Fooly Cooly) is an (OVA) original video animation series written by Yōji Enokido. It's an anime that combines robots, aliens, guitars, love and great music. Canti is the first robot to emerge from Naota's (lead character) head. The model has 18 pages of parts and stands at about 30 cm high.
FLCL: Canti Papercraft

Looking for something big and complicated to build? You might want to download the webdude's Big O papercraft. The Big O is an anime series from Sunrise (the same creators of Gundam) that was shown on 1999. The model has 47 pages of parts and stands at 50 cm high.
Big O Papercraft

After a year in the making, the sixth set of Speaker Dog is finally out! A total of 64 artists from around the world contributed to make 66 colorful designs of Ben's papertoy. The only problem now is what to build first. It's so difficult to choose.
Speaker Dog Papercraft: Series 6

This wearable hat papercraft is from the Wind Waker game. There are 13 different colors to choose from.
Zelda Wind Waker: Lifesize Link's Hat Papercraft

The healer's cap is a head gear from FF XI that adds MP to the user and resistance to dark attribute.
Final Fantasy: Healer's Hat Papercraft

Back to back models from Johnny! It's an 8-bit diorama of a subway.
8-bit Subway Diorama Papercraft

Here are the twins of the Headnoddaz series from Johnny Chiba.
Headnoddaz Twins Papercraft