More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A motel dedicated to Southwestern nostalgia.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

A self-built castle made by a mysterious man.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A spiritual vortex among the red rocks in Sedona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Paths are maintained, but trees have taken over plots.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

A cave's rare beauty held a cavernous secret hidden underground.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.