This elaborate towering structure was once famed for its revolutionary height.

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

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

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

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

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

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A rare view of a preserved Victorian science museum.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

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

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

A layered tribute to the work of mosaicist Isaiah Zagar.

In a quiet residential neighborhood, one restaurant fights to preserve heirloom corn, one tortilla at a time.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.

The museum chronicling a treasure hunter's dream, fulfilled.

A historic landmark and museum filled with curious objects representing the history of Key West.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

This small beachside park commemorates the possibilities of discovery.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The island residents are known for taking their quirky sense of humor with them to the grave.

"We Seceded Where Others Failed."