This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The final resting place of New Orleans' most famous voodoo priestess.

This strange, small castle on the bayou has withstood the test of time and weather.

A snapshot of the city's fascinating voodoo culture.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This old-fashioned carhop restaurant gave the world the waffle cone.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

It was once the base for a series of domestic terror attacks.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This massive redwood tree has a hole in the base big enough to drive through.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

People escaping slavery may have hidden inside a corpse vault.

This unassuming home was once “grand central station” for the Underground Railroad.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The oldest surviving presidential residence in the United States.

Alexander Hamilton’s creation caused quite a bit of controversy.

Although now a decaying ruin, this stone cabin's history includes several notable figures.