Century-old shop, specializing in Occult products.

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The oldest surviving botanic garden in the United States.

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

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.