Follow the original medieval paths that wind through this intriguing section of the city.

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

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

Carved, egg-shaped stone with no explanation.

There’s a hidden military meme engraved on the World War II Memorial.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An outlandish shoe shaped house built by an eccentric millionaire.

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

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

A rare view of a preserved Victorian science museum.

This replica of the Greek structure is in the heart of Nashville.

Take a drunken tour inside the world's largest known geode.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Final resting place of the two women killed on a small island off the coast of New Hampshire.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

The largest earthwork effigy in the world.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

A real flying saucer, contracted by the U.S. Air Force.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."