Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

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

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

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Dramatic river bend surrounds a natural red-rocked pedestal.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The state bird of New Mexico, constructed entirely out of garbage.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

"X" marks the spot of an echo chamber in the middle of a plaza.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

Striking images of New Orleans history, including colonizers, soldiers, Klansmen, scientists, sharecroppers, and more, are depicted in frescoes that line the walls of this transportation hub.

An artist weaves "wooden quilts" with scraps salvaged from his Katrina-damaged home in Tremé.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

The greatest collection of New Orleans masking and processional traditions covering everything from Baby Dolls to Skull and Bone gangs.

A pink cottage covered in hearts served as a haven and a resting place for LGBTQ activists.