Photo Fakery: Man-Made Wonders

Authentic: Emailed photos of the 'Tear Drop Memorial' designed by Russian artist Zurab Tsereteli to commemorate the victims of 9/11.

Emailed image allegedly taken from a 1954 issue of Popular Mechanics shows the RAND Corporation's conception of what a home computer would look like in 2004.

Photo purports to show a Veterans Day flyby of T-38 Talon jet fighters in a formation spelling out 'USA' over the "Taj Mahal" building at Randolph Air Force Base.

Emailed photos show remarkably realistic three-dimensional street and sidewalk paintings. Are they real?

Emailed video of an "amazing music machine" allegedly manufactured out of farm equipment parts at the University of Iowa.

Authentic emailed image of a U.S. military helicopter accomplishing a precarious rooftop landing and pick-up in Afghanistan.

According to this email flier and attached video, law enforcement officials have discovered .22 caliber guns disguised as cell phones being smuggled into western Europe from Croatia.

Viral images purport to show China's new aircraft carrier under construction, a massive vessel with twin hulls and two flight decks.

Amazing - and real - video of a suburban house decorated with animated Christmas lights synchronized to music.

Emailed photos purportedly show the stylish and comfortable new digs of prison inmates in Chicago's Cook County Correctional Center.

Emailed pictures of a "crazy architectural structure" that really exists in Sopot, Poland. It's called "the Crooked House."

True: Emailed images chronicle the completion of a massive indoor ski resort built on desert sands in Dubai, United Arab Emirates.

Authentic: Emailed image shows a corn maze carved in the shape of a United States map with the aid of a GPS unit and a laptop computer.

Artist's rendering of a 70-foot glass-bottomed skywalk being built over the rim of the Grand Canyon in the Hualapai Indian Reservation.

Emailed image purporting to show a U.S. soldier in Iraq tending a small plot of grass grown from seeds sent by his wife back home.

Emailed image of the world's highest bridge, the Millau Viaduct in southern France.

AUTHENTIC: Circulating via email, a vintage 1918 photograph by Mole & Thomas captures an aerial view of 18,000 enlisted men and officers forming a "Human Statue of Liberty."

Authentic images circulating via email capture the formation of condensation clouds around jet aircraft flying near the speed of sound.

Emailed photos show U.S. forces uncovering a Russian MiG-25 Foxbat jet fighter found buried in sand in Iraq.

Emailed images purportedly show a space-age automated parking garage constructed in a circular tower in Munich, Germany.

Based on an actual design by NEC, emailed images purport to show a "computer of the future," a full-featured PC comprising five slender objects the size and shape of ball-point pens.

TRUE: Emailed photos show an outdoor public toilet with walls made entirely of one-way glass.

These stunningly clear, close-up images purporting to show the Space Shuttle Columbia blowing up in orbit are circulating via email. Were they really taken by an Israeli spy satellite?

AUTHENTIC: Emailed images show a strange catamaran-like vessel consisting of a glass-walled cabin suspended over a pair of giant pontoons via tall, spidery legs.

Emailed images of purported examples of trompe l'oeil advertising on the side panels of truck trailers.

Emailed photo of a "water bridge" over the Elbe River in Magdeburg, Germany.