This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This charmingly homemade amusement park has been growing for 40 years.

The glowing blue Nymphaeum of Emperor Tiberius.

This expansive bridge in the Canadian wilderness was originally just built for friends.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

An underground city of salt.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

The final resting place of soldiers' loyal canine companions.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The most visited, and possibly most controversial, museum in Germany.

The magic's in the hole!

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A beautiful geyser under environmental threat.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Furniture tries to escape an abandoned building in San Francisco.

A battle between nature and architecture in the Cambodian jungle.