Central City celebrates its most famous madam by racing beds down Main Street.

A gravestone marks where a man's lost limb was laid to rest.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

The oldest continuously operating Catholic school west of the Mississippi.

A community farm in the midst of the Brooklyn concrete.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

The slate extracted from these Pennsylvania quarries was once hailed as the finest in the world.

A 9-story, poured concrete structure which was used as a glue factory with an indelible smell.

Compensation for the destruction of a historic shipyard.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.

A small, fascinating fire museum hidden in plain sight in an administrative building.

Now the final resting place of prominent artists and musicians, it was originally founded to separate the rich from the poor in death.

Storage units with a wartime past.

A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

A stretch of New Hampshire lake water is the only ice runway in the lower 48 states that is FAA-approved.

A memorial in coal country commemorates the victims of an all-too-preventable mining disaster.

Egyptian Revival obelisks still rise over the old mine shafts.

Of course the guy with the first patent for an ice machine lived in Florida.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."

This Mississippi seminary was the first in America to train Black Catholic priests.

Tucked away on a hilltop in the backwoods of Mississippi lies the remains of a blues legend.

This university research project is the U.S. government's weed dealer.