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

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

This recreation of a 19th-century dime museum is full of oddities.

Arlington Cemetery exhibit dedicated to death and grieving.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

An unusual and eclectic collection of local historical memorabilia.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

This historic furnace was once used to produce cannonballs during the Civil War.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

One of Philadelphia's largest murals resides hidden under this bridge.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

True to his word, George Swanson is buried in his white 1984 Corvette.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

The aggressively banal name of this underground fortress of bureaucracy does little to evoke its truly surreal existence.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

A miniature golf course crafted inside the world's largest simulated cave.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

The site of America's first commercial oil well essentially disappeared after the town went bust.

A curious building honoring past and current members of a historic musical comedy troupe.

No one knows who painted this mysterious mural in a Penn State basement.

Nothing says indulgence like a 1,500-pound chocolate castle.

A legendary boxing venue and ring featured in Rocky V.