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

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

This ancient temple is set up to take you on a pilgrimage of self.

A steaming, boiling hellscape sources Hokkaido's thermal baths.

An 18th-century estate owner thought these cottages were an eyesore, so he artfully disguised them as a church.

After a night ravaged by bedbugs, it's said King John ordered the creation of this weathervane.

An intricately carved Viking church overlooks a glistening fjord.

A crucified and bearded female saint.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

A communal oasis on Lake Zurich.

Natural history museum displaying a famous taxidermied St. Bernard.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

The 20th-century church looks like a rustic version of the Sagrada Familia.

Medieval ruins nestled within a breathtaking swath of Spanish nature.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

An unusual but excellent display created in the 1930s as propaganda against the Freemasons.

"Satisfying" is a good way to describe these beautifully aligned rows of Spanish mills.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

"Alleys of Stone" form natural mazes in Spanish natural park.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.