Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

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

A Civil War Museum with some notable medical antiques.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The curiosities and wonders of pharmacy in a delightful historic building.

One of the oldest living oak trees in the Southeast.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

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

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

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

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

A snapshot of the city's fascinating voodoo culture.

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

Memorializing an American tragedy of massive proportions.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

This dramatic rail curve was once the target of a failed Nazi attack.

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

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This building contains handprints that are well over a century old.