From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

Granny Smiths and Fujis can both be traced back to Kazakhstan, where apples still grow wild.

A magical work of architecture where a wind turbine enables monks to levitate.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Giant sand sculptures of famous people and places are on display near the Tottori sand dunes.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

An architect transformed this abandoned cement factory into his castle-like workshop.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This lake in northwest Iran has started turning from green to red more frequently than scientists are comfortable with.

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.

A perilous medieval road leading right into the sea.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

A Himalayan monastery claims to have a piece of a centuries-old abominable snowman.

The Arctic Circle runs through this isolated spot north of Iceland.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

The elevator that makes it possible to fly American flags in bulk over the U.S. Capitol

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

The 28-foot granite map plots the locations of 40 theaters in New York City.

The laboratory where the Soviet secret police invented exotic poisons used to kill dissidents in hideous and (mostly) untraceable ways.