This fancifully decorated Victorian home in New York’s Hudson Valley is the only known fully domed octagonal residence in the United States.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This storybook New England home is actually a decommissioned lighthouse.

2300-year-old Roman road connecting the empire.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Eco-friendly island mansion.

Oldest synagogue in the United States.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

The final resting place of New England's last "vampire."

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

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

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

A treasure trove of rare and exquisitely detailed antiques

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

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

The second oldest continuously operating bar in Louisiana.

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

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