Healing Springs that once ran red with soldiers' blood.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

The oldest continuously inhabited street in America.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

Micro-distillery in Brooklyn produces New York’s first homemade rum since Prohibition.

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

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

A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

The largest flower auction house in the world.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

An abandoned town is hidden in Great Smoky Mountains National Park.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

This replica of the Greek structure is in the heart of Nashville.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The 20-mile causeway that separates the Netherlands from the sea.

This Dutch statue is a monument to the fictional shrew who brought doom to the city of Stavoren.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.