Khmer Rouge's high security prison.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

Bohol's unusually shaped hills turn brown in the summer months.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

There aren't too many operational funiculars around, but Pittsburgh has two!

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A former military outpost of Ivan the Terrible, the 16th-century church contains some of the rarest examples of Eastern Orthodox mural paintings.

A pink and gray pair of pachyderms advertise a fireworks shop.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

"X" marks the spot of an echo chamber in the middle of a plaza.

This twisty sign depicts the chain's first logo.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

An eerie smiling woman looms above the granite tombstones.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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