Natural time capsule containing an alien ecosystem.

Antarctica's bustling metropolis, originally established by Richard E. Byrd.

On a dusty county road sit the ruins of a ghost town's abandoned church.

This ghost town was once a cult-like religious utopian settlement.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

An empty mine that some believe will suddenly be filled with fortune and treasures at the end of the world.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

A nearly abandoned 19th-century town on the Palouse.

When a guy acquired a free church, he hauled it away piece-by-piece to make it the tasting hall at his vineyard.

Last church of this militaristic WWII style.

This remote Moravian mission brought Christianity—as well as devastation—to the Inuit people.

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

This abandoned orphanage-turned-asylum witnessed a terrible chapter in Québec's history.

An ornate Detroit church, left empty and ravaged by time.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

Clusters of abandoned buildings hint at the facility's 144-year history with psychiatric health.

This mid-19th century chapel is a tiny treasure for weary travelers.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The remains of a boarding school designed to forcibly assimilate Native American children.

The stone-covered graves lie within the ruins of an Old West ghost town.