The yawning maw of this pagan visage is said to bite off the hands of liars.

The final resting place of the poets Shelley and Keats.

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

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

The underground sanctuary of a mysterious ancient cult.

A collection of objects supposedly singed by the hands of souls in purgatory.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An Aztec snake god has taken the material form of an apartment complex.

The ghostly remains of an accidental sea.

A hand-built folk art installation covered with messages of God's love.

Inspiring Earthlings to Boldly Go.

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

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

An eclectic trailer park retreat in the middle of the California desert.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

World's largest collection of serial killer artwork and other macabre exhibits.

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

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

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

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."