The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This dramatic rail curve was once the target of a failed Nazi attack.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

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

Yo, Adrian!

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

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

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

Mysterious rocks that ring musically when struck.

A toxic ghost town sitting atop a massive coal fire.

A little sculpture with a large wardrobe.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The prototype for all Nazi concentration camps.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

World-famous, Pink's still manages to keep its prized cult fetish status.

Because there's no place like home.

Resting place of Hollywood's immortals is also site of summer film screenings.

A faux European lane smack dab in downtown L.A.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

The Tudor-style cottage in the middle of the square is not quite what it seems.