A mysteriously dark cemetery monument fuels stories and legends galore.

A haunting tribute to pioneering photographer Clover Adams.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

This grand gothic brewery has been pumping out suds for over a hundred years.

Also known as the Founding Church of Scientology.

Obscure Freemasons still live in D.C.’s largest private residence.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

One poet's handmade, anachronistic home.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

A lonely monument to the original Silicon Valley tech campus.

The headquarters of a secretive order is also a beautifully-designed park.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

An abandoned Cold War missile radar site.

The rusting remains of the largest assembled WWII fleet on the West Coast.

The haunting ruins of Jack London's dream house.

Bell tower juts out from a village buried under a lake.

One of the richest places in the United States has a cursed street.

Instead of hoofing it up steep stairs, residents can hitch a ride on this private lift.

A silly medieval mural preserved on the side of a Viennese house.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.