The seamy, underground secrets of Portland's criminal past.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A modernist landscape of water and sci-fi concrete.

A mysterious drive-in nestled in the forest that leaves little to the imagination.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Controversially claiming the title of world's biggest bass drum, UT's Big Bertha was once made radioactive by the Manhattan Project.

A collection of 100 brains preserved in jars on the UT campus.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Ruins of a once-opulent grand Victorian resort.

Three hundred years of preserved Spanish colonial history in San Antonio.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

Soldiers honored the beloved Pat with a special grave.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

An Airy Would-Be Solution to a Housing Shortage.

A gift from Abbot Kinney and a little bit of piece of Black history in Venice Beach.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Sister store to the Echo Park Time Travel Store.

The largest island on the great salt lake is home to curious creatures and strange stories.

The site of Paul Revere's historic two lantern warning.

Final resting place of the author who wrote the ghost story "The Turn of the Screw," and his brother, the Harvard doctor and paranormal investigator.

Massachusetts memorial to murder victim Elizabeth Short near the spot where she was born.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.