A mailbox that saved a nature reserve.

This quirky curiosity shop takes its cues from the world's bazaars.

These ornate arches show how the course of the River Thames has changed.

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

A 19th-century cemetery device to ensure that the prematurely buried would be "saved by the bell."

At the base of the Spring Mountains, a unique nursery packed with desert plants.

A new kind of theme park for adults off the Las Vegas Strip.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A collection of haunted objects and macabre oddities under one roof.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

Believed to be haunted, this old cemetery is beautifully adorned with Spanish moss hanging from the trees.

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

These craggy limestone outcrops offer a glimpse at a unique piece of Florida geology.

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

This sculpture in the Miami Design District is one of the few public works of Virgil Abloh, an internationally recognized fashion designer and creative.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

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

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

A one-of-a-kind collection of a unique medium.