Mithraeum

A Mithraeum is a place for worship for the followers of Mithras. They are underground temples in a cavern.

The Heroes of Olympus[]

The Mark of Athena[]

When Annabeth is searching for the Athena Parthenos, she encounters the followers of Mithras. She tricks them into believing that she is the Magna Mater, or Big Mother, and escapes them.

Locations (CHB)
Magical Locations:	Aeolia \| Athena Parthenos Shrine \| Antaeus' Arena \| Camp Fish-Blood \| Camp Half-Blood \| Camp Jupiter \| Cave of Trophonius \| C.C.'s Spa and Resort \| Daedalus' Workshop \| Labyrinth \| Lotus Hotel and Casino \| Mount Othrys \| Ogygia \| Olympus \| Pan's Cave \| Tarquin's Tomb \| Sea of Monsters \| Tartarus \| Underworld \| Waystation \| Zeus' Palace
Cities and Towns:	Atlanta \| Athens \| Anchorage \| Bar Harbor \| Berkeley \| Bologna \| Buford \| Charleston \| Chesapeake Beach \| Chicago \| Cloudcroft \| Colorado Springs \| Denver \| Detroit \| Évora \| Gila Claw \| Houston \| Indianapolis \| Jamestown \| Keeseville \| Los Angeles \| Las Vegas \| Leeds Point \| Malibu \| Miami \| Montauk \| Nashville \| New Orleans \| Newark \| New York City \| Oakland \| Omaha \| Palm Springs \| Paris \| Pasadena \| Philadelphia \| Quebec City \| Richmond \| Rome \| San Francisco \| San Juan \| Santa Barbara \| Santa Monica \| Seward \| Sparta \| Split \| Seattle \| St. Augustine \| St. Louis \| Tahlequah \| Vancouver \| Venice \| Virginia Beach \| Washington, D.C. \| Westport \| Yonkers
Administrative Divisions:	Alaska \| Alentejo \| Arizona \| British Columbia \| California \| Colorado \| Connecticut \| Dalmatia \| Florida \| Georgia \| Illinois \| Indiana \| Kansas \| Louisiana \| Maine \| Maryland \| Michigan \| Missouri \| Nebraska \| Nevada \| New Jersey \| New Mexico \| New York \| Ohio \| Oklahoma \| Oregon \| Pennsylvania \| Puerto Rico \| Quebec \| South Carolina \| Tennessee \| Texas \| United States Virgin Islands \| Utah \| Virginia \| Washington
Countries:	Canada \| Croatia \| France \| Greece \| Italy \| Portugal \| United States of America
Continents:	Africa \| Europe \| North America
Other Locations:	Atlantic Ocean \| Alternative High School \| Apennine Mountains \| Aunty Em's Gnome Emporium \| Brooklyn \| Caldecott Tunnel \| Calvert Peninsula \| Caribbean Sea \| Carlsbad Caverns \| Central Park \| Charleston Harbor \| Crusty's Water Bed Palace \| Empire State Building \| Gateway Arch \| Grand Canyon \| Hell's Kitchen \| Hephaistos Building Supplies \| Hoover Dam \| Jackson Apartment \| Jackson-Blofis Apartment \| Junkyard of the Gods \| Long Island \| Mediterranean Sea \| Mississippi River \| Mount Diablo \| Mount Etna \| Mount Saint Helens \| Mount Tamalpais \| Mount Vesuvius \| Nero's Tower \| Oakland Airport \| Panama Canal \| Pacific Ocean \| Pikes Peak \| Plaza Hotel \| Polyphemus' Island \| Poseidon's Summer Villa \| Queens \| Rocky Mountains \| Rainbow Organic Foods & Lifestyles \| Roman Empire \| San Francisco Bay \| St. Thomas \| Triple G Ranch \| United Nations Headquarters \| Waterland \| Yancy Academy

Mithraeum

The Heroes of Olympus[]

The Mark of Athena[]

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