A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

This 16th-century house tells the city's history through old artifacts and quirky tales.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The fountain marks the area where hundreds of accused witches were burned at the stake.

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

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Cave shrine on Monte Pellegrino.

Every inch of this chapel is covered in craftsmanship from across the world.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

The colonial city's social history is reflected in its fanciful door knockers.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

The walls and ceilings of the "Mexican Sistine Chapel" are almost completely covered with mural, sculpture, inscriptions and oil paintings.

This art shopping center still boasts pieces of its past as a textile factory.

A former major munitions plant that has been converted into a sprawling art space.

An original apothecary from 1792.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The narrowest house in America is seven feet of pure spite.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.