Natural sonic phenomenon comes with a grisly legend of murder and blood.

The magic's in the hole!

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.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

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

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

An exotic wildlife habitat right off The Strip.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This spectacular track has run continuously since 1882.

A hotel with a rich Wild West history of miners and bootleggers.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

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

An extravagant western hotel where every floor is the "ground floor."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A large stone map of Arkansas awaits visitors to its highest point.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The fairy tale castle of the "fairy-tale king."