The largest collection of Frazetta originals in the world.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

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.

This beloved marketplace mascot poops money and grants good luck.

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

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

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

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

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

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

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

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

An Irish Memorial commemorating those who perished due to potato blight.

A layered tribute to the work of mosaicist Isaiah Zagar.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

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

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

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

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.