The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

The only rotating bar in New Orleans has been slowly spinning since 1949.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

The glowing blue Nymphaeum of Emperor Tiberius.

A library of rare occult books in Los Angeles.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

A shrine to a skeleton saint in the city of angels.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

The legendary building that needed ghostly approval before being built.

Once a purveyor of Santeria supplies, religious products , and household sundries, now closed.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

A plaque by the roadside describes a three-dimensional glossary of an imagined language where words are numbers and numbers are words.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

The Yonaguni Monument, a natural formation or the Japanese Atlantis?

This Taiwanese promontory is covered in otherworldly hoodoo formations.

The highest monastery in the world operates a tiny guesthouse with doors open to all.

A bizarre collection of gifts to North Korean dictator Kim Jong Il from the despots of the world.

This abandoned-looking amusement park is frighteningly open for business.

An impactful museum ensures notorious war crimes disguised as "medical experimentation" won't soon be forgotten.