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

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

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

A Civil War Museum with some notable medical antiques.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

The highest point in Florida is still the lowest high point in the country.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

The home of a famed utopian science fiction author has been preserved long after his predicted future in the year 2000.

Home to items never before seen by the public.

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

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

The land is home to swimming ponies and a legendary 18th-century treasure.

A modernist landscape of water and sci-fi concrete.

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Walk over a 150 year old manhole.

A humid oasis combines recreation with exploration in a unique underwater cavern.

A tiny memorial for the year the Connecticut River almost destroyed New England.