These markers are used to document elevation changes around the famed dam.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

This expansive bridge in the Canadian wilderness was originally just built for friends.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

Dedicated to the "King of Soul."

Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

A life-sized baby elephant tombstone marks the grave of a circus owner at a country church in southern Georgia.

A city park that once housed live spider monkeys and today features a working miniature train.

After this century-old bridge collapsed, volunteers rebuilt it in a new location.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

Oldest and rarest examples of telecommunication in the world.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

A massive tribute to this small county's top agricultural product.

Like Mardi Gras, only everyone's a pirate.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

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

This natural spring is the winter home to the largest gathering of manatees in the world.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

A nude beach alongside a washed-out road.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

A monument celebrating the idea of reaching inaccessible places.

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