This stone is a marker of one millionaire's personal vendetta against gravity.

The world's first time capsule lies behind a welded steel door in Atlanta.

Hundreds of skulls and bones at the largest skeleton museum in the country.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

Visitors to this shop will find fossils, minerals, meteorites, skeletons, oddities, and much more.

A trove of tiny treasures hidden within a Florida park.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

Florida’s half-sized replica of the Vietnam Veterans Wall.

A tribute to the furry local heroes who helped get residents through many tough times.

The highway's southernmost spot is a beloved local attraction.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

A tribute to a future time when gravity is conquered.

Neglected resting place of some of the city's early luminaries—and a woman encased in concrete.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.

A thriving Black community was destroyed by an angry white mob at this site in 1923.

Many of the murals covering this sleepy Florida town hide some sort of intentional error.

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

The island residents are known for taking their quirky sense of humor with them to the grave.

A nude beach alongside a washed-out road.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

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

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