A former infectious disease laboratory chronicles how tuberculosis shaped a village nestled in the Adirondacks.

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

A 19th century family buried their dead among the pines, beneath gravestones styled after ancient Scottish cairns.

There are no bodies inside these stone coffins. And there never were.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

The graffitied ruins stand hidden within the Pennsylvania woods.

This Old Testament garden features 100 plants from biblical times.

The first American department store, and home to the largest operating musical instrument in the world.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Dr Barnes' $25 billion private collection of art and arboretum.

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

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

In which a local geological marvel becomes a quaint roadside attraction.

The oldest surviving botanic garden in the United States.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

This little museum in the town where zombies were born celebrates the living dead.

A park full of outsider art, created by college students studying outsider art.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.