A fifth-century temple improbably built into the side of a cliff.

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

Site of a former hidden treehouse in New Orleans.

An otherworldly musical haven in The Big Easy.

A little piece of Paris in the sultry south of the U.S.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

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

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A snapshot of the city's fascinating voodoo culture.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A unique music museum housed in a historic Boston theater.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

Narrowest house in Boston.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

A beautiful Victorian-era cemetery, complete with a miniature village.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An enormous, inside-out glass globe built in 1935.