Rising out of a clearing in New Jersey's Pine Barrens is an Aztec-inspired monument to the "Lindbergh of Mexico."

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

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

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

Yo, Adrian!

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

The "lovely red Vega" of the legendary record-settling pilot.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

At 207 feet, one of the world's longest continuous escalators.

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

The trials and tribulations of marking Poe's grave.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

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

The site of the deadly Triangle Shirtwaist Factory Fire.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

A unique sculpture park that specializes in the huge and bizarre.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

Memorial to the 137 lives lost on a ship fire, the whole hulk of which washed up on the Asbury Park shore.

The site of one of history's most indelible and horrific tragedies.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.