A failed, un-built suburb that has been going feral for decades.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

A visionary precursor to the Internet made of index cards.

Rusting ships sit in a desert where a sea used to be.

From the Difference Engine to the Cray-1, all under one roof.

Island wonderland for communist autocrats.

A wooden hut from the Heroic Age of Antarctic Exploration.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Charles Babbage's proto-computer, painstakingly brought to life.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

Once the path of a railway tunnel, now home to thousands of glowing insects.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This battery powered bell has been ringing since 1840 and is one of the worlds longest running science experiments.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This seven story Japanese love hotel now stands in ruins.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The remains of Crystal Palace Great Exhibition of 1851.

A museum befitting the city responsible for supplying the majority of the world's LSD.

This Scandinavian island is the site of the first modern observatory.

The original goat tower, the one that started it all.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.