Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.

Rippling sand dunes frozen in the Arizona rock.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

A shining treasure trove of fine Mexican silver dating back to the 15th century.

This covert museum showcases booties worn by a rescue dog and slippers owned by Queen Elizabeth II.

Fabulous formations, weird and wonderful wildlife.

Every half hour, the flow of this unusual spring cycles between a rush of water and barely a trickle.

Green labyrinth formed by a karstic maze hidden in a preserved oak forest.

This stretch of the ancient Roman road is preserved in a valley that witnessed many battles and legendary highwaymen.

The remains of this medieval Roman road and lookout towers dot the rugged coastline of southern Lazio.

Hundreds of Buddhas in a re-discovered Indonesian temple.

One of Kyoto's oldest food establishments has supplied soba noodles to temple priests and the Imperial Palace.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

A piece of Seattle’s historic Chinatown preserved inside a modern museum.

Remnants of a forgotten 1920s speakeasy and Prohibition-era murals were discovered in its basement.

The city's oldest Chinese restaurant offers local history and seriously good food.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

This trail was once used to smuggle cigarettes, sugar, and other black market goods between Italy and Switzerland.

The largest hewn stone in history.

At this monastery, monks make raw-milk cheese and use excess whey to create methane that powers their hot-water system.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This historic patch of real estate offers a glimpse of colonial Boston.