Almost half-way between the Equator and North Pole.

An acoustic anomaly with a mysterious cause.

An emerald-green grotto just a short trip from Austin.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

A lawless town deep in Death Valley was famous for its riches and death rate.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

Water of undetermined depth has attracted rare fish and cult leaders alike.

This mosaic-covered bar is brimming with curated curios.

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

Walk the whole Mississippi River!

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

Eight feet in diameter and more than 24 feet around.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

An old town theater converted into a celebration of the hobo legacy.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

An oddly poignant roadside attraction celebrating American folklore.

As the glaciers retreated out of northern Wisconsin, this unique natural wonder was crafted.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

Tirelessly maintained by a Wisconsin man named JFK.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

The world's largest floating loon bobs in the lake to kick off an annual festival.