This quirky hot springs town known to locals as "T or C" was named after a radio show.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

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

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

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This iconic science fiction house still looks like something from the future.

An homage to everyone's favorite prehistoric cartoon family.

You thought Santa Claus didn't exist, but it turns out you were wrong.

This mysterious hill seems to pull objects uphill.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

In a time before lifeguards, this house was a sanctuary for the shipwrecked.

The oldest house of worship in Palm Beach has a wonderful tropical garden.

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

This Florida resort community is where the Amish come to have fun in the sun.

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

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

"We Seceded Where Others Failed."

An icon among Florida's pre-Disney tourist attractions.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A building so large that it has its own weather.

A monument celebrating the idea of reaching inaccessible places.