A sanctuary for sickly, stray, or wounded donkeys.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

The museum chronicling a treasure hunter's dream, fulfilled.

There is one corporation registered for every three square feet of space in this inconspicuous office building.

One of the most accessible undersea plane wrecks in the world.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

A massive maritime collision may have led to the myth of a resort island's strange financial status.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

For 32 years the famous Ringling Bros circus troupe spent winters in this sunny spot in Florida.

A much more welcome kind of snowbird vacationer, manatees camp out in these springs every winter.

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

A tribute to Ponce de Leon's supposed quest for eternal youth.

A building so large that it has its own weather.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Meet manatees face-to-face at this zoo for native species.

Where the Model T was made and the assembly line was invented.

Part taxidermy workshop, part natural history museum this Michigan destination shows off its dead animals and helps you mount your own.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Standing guard on top of an old, vacant ice cream shop.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.