America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

An allegedly cursed tree represents a town's reckoning with a racist past.

A completely round house designed for the Atomic Age.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

Destructive children, start your engines.

One man's lifelong obsession with death.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

The story of a Floridian city as told through an obscure sport for retirees.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

This public park was the site of the largest civilian disaster of the Civil War.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

This jail which was in service for over a century is now open for curious visitors.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A dazzling display of lights and crystals.

The ruins of the suspension bridge hang over Kingsbury Run as a ghost of racial prejudice.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

A factory in Milwaukee where poop is reclaimed… and recycled.