One man has spent decades faithfully constructing this unique brick and cinderblock castle.

The final resting place of some of Staten Island's earliest settlers and their descendants.

Final resting place of two dozen New York City harbor ships.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A field of nothing but boulders which resembles a giant's gravel driveway.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A local prank turned town icon.

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

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

The world's 2nd or 3rd or 4th busiest seaplane base.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Electrical pylon in the shape of Disney's beloved mouse.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

This kitschy curio wonderland is full of fake animals, teak tables, and a cacophony of random bric-a-brac.

How Quincy, Florida became the richest town per capita due to one man's shrewd business acumen and taste for fizzy drinks.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

The world's largest private aircraft collection.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

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

This now-deactivated naval base defended the Florida coast for centuries.

Like Mardi Gras, only everyone's a pirate.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

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.