An old pay phone rewired to play local bird calls and songs at the press of a button.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

Public works and national defense project meant to carve a canal all the way across the state of Florida.

This state park was once an important Native American cermonial center.

The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

Off of the Crawfordville Highway in Florida, nature is taking back this decrepit row of Ford trucks.

An oddity shop inspired by the history of the circus.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

When you can't get to the Pacific, just go to Florida.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

Former villa and estate of James Deering developed to preserve native tropical forests.

It's a pretty creepy lock-up.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A hidden beach at the end of a tunnel of mangrove trees.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

This Toronto garden collects stares and tchotchkes in equal measure.