The final resting place of New Orleans' most famous voodoo priestess.

The only castle in North America to ever house European sovereigns.

A few steps from the site of the Tlatelolco massacre, this museum tells the story of Mexico's 1968 student protests.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

This ornate church designed by a self-taught architect is an eclectic masterpiece in the heart of Central Mexico.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

A Swedish farm is the world's only producer of the rare, creamy delicacy that is moose cheese.

A botanic garden full of trees twisted into fantastic shapes and positions.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

The stoutest tree in the world.

A walk through the historic city center, under the streets of Seattle.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

The bones of two medieval royal lions were discovered at the historic fortress.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.