This impressive working clock made of 16,000 plants changes its flowers twice a year.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

A unique set of caves that spits waves back out into the ocean.

Owned by no one but beloved by all, Brownie was a good dog.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

Where serial killer Aileen Wuornos drank her last beer.

One of the largest Native American shell middens stands 30 feet tall.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

Old car parts and assorted materials get turned into one man's mechanical treasures on the side streets of Cleveland.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Sniff the Titan Arum's rotting flesh.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Elevated freight railway turned wildly successful urban park.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

For decades, this waterfall remained hidden because of an artificial dam.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

A moving tribute to a leader of the American abolitionist movement.