The 606 is a decade in the making.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The highest bridge in America was built for an almost unnervingly small amount of money.

A monument to the art of slicing people open.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A bizarre house filled with an astounding array of collections.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This pebble beach is so beautiful that taking its rocks is against the law.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Vikings and Evangelicals have both had a hand in this replica medieval church.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A speakeasy takes on Chicago's drinking culture.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This remote island in Iowa was abandoned after being devastated by flood.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.