World War II bunker still standing on the New Jersey beach.

Step inside Lucy, the world's largest "elephant."

A bit of retro transportation flair preserved in the world's largest department store.

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

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A local prank turned town icon.

The historic home still shows the scars from a little run-in with the British in 1813.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

The Home and murder site of the witch of Rehmeyers Hollow.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

This iconic Lancaster everyman has been reading the same story since 1980.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Steepest flood safety railway in the entire world.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

An outlandish shoe shaped house built by an eccentric millionaire.

This monument is dedicated to those lost on June 6, 1944, in the town with that day’s highest per-capita casualty rate.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.