The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

A mysterious castle built as a monument to lost love.

Found: Garden of Eden in Miami-Dade County, Florida.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

A museum preserving one company’s history of preserving food.

A Circus legend leaves an unexpected endowment.

This beautiful Miami garden was designed as a laboratory for tropical plants.

A vast array of tropical plants collected by a vacationing couple.

An unassuming corner inside downtown Orlando's library offers a whole new world of the park and its history.

A different kind of swan princess.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.

You’ve heard of bookworms, but this small sculpture at a university library may be the world’s first bookbee.

This twisty sign depicts the chain's first logo.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

A hobby born from insomnia has turned into a hangar full of objects that have been be-buttoned by the Button King.

One man's extraordinary topiary garden in a small South Carolina town.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

This unassuming stone commemorates a condiment factory gone up in smoke.

The Boston square dedicated to the dark poet who was born nearby.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.