Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

The only presidential monument to display a late POTUS's actual casket.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This might just be the TARDIS of bookstores.

A towering bronze statue memorializes the founding father of postwar American conservatism.

A strange history museum, with items accumulated by a pair of globe trotting spies.

A unique book shop with a collection of rare tomes and a nostalgia museum.

Every last book in this bookstore is signed by the author.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

A historic house left in "dramatic still life."

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.