The oldest continuously operating church in California.

Thousands of unique minerals, including some of the most impressive fluorite crystals in the world.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Victorian-era Egyptomania left its mark on this Nashville landmark.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

The wooden house where the jazz great learned to play the piano.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

A notorious Route 66 eatery once frequented by Al Capone.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

A gregarious Ohio resident has been building his whimsical temple to peace for decades.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

A spectacular cave and a beguiling lake.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

Hideout of thieves, monks, and goat-footed gods.