Hear the quietest sound from across the dome.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

An island graveyard with spectacular views of the Caribbean.

The last permanent exhibit dedicated to the Soviet leader.

The world's brightest bioluminescent bay.

Once living up to its name as the grandest hotel in all of Africa, the Grande Hotel is now home to a community of squatters.

This public elevator links the lower city to the upper city of Salvador.

This Brazilian town built by Freemasons is full of colonial Masonic architecture and symbolic imagery.

This striking, two-toned confluence of rivers is visible from space.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

Beautiful public park off the beaten path and away from tourists.

A 125-meter long "tribute to the Brazilian people."

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.