These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A beautiful geyser under environmental threat.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

An enormous, inside-out glass globe built in 1935.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Odd outsider art installations surround a Gold Rush-era ghost town.

This abandoned amusement park was built on a site with a dark history.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

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

A hotel and restaurant serving as the mecca of kitsch.

The site of the climactic scene from the classic horror film is now a historic landmark.

Mysterious rocks that ring musically when struck.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

The final resting place of New Orleans' most famous voodoo priestess.

Resting place of Hollywood's immortals is also site of summer film screenings.

Stroll through a wonderland of stupendous moss-covered trees.

Continuing the tradition of the dime museum in style.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The first declared National Monument in the United States.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

The United States Capitol's former columns still stand.