The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

The rogue roots are gradually consuming some of the historic marble grave markers.

The naval commander’s proudest moment in battle is memorialized in this unique tomb at Arlington Cemetery.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

An abandoned warehouse turned art sanctuary in New Orleans.

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

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The second oldest continuously operating bar in Louisiana.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The oldest continuously occupied public building in the United States.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

A painfully obvious spy house sits right across the street from the Russian Embassy.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

A 125-meter long "tribute to the Brazilian people."

Plagued by riots, celebrity injuries and a tragic death, this amusement park has been demolished.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.