The only Roman honorific column in Istanbul.

A shrine to one of England's female saints in what is believed to be her former home.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This statue of the famed saint is missing his right hand, a rare depiction of his posthumous amputation.

A replica of the lost rock cliff that was once significant in Singapore's maritime history.

A temple complex has existed on this site since the third century.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

This gorgeous Peranakan mansion’s family heritage includes a century-old baby gate, which was also used to keep out irresponsible husbands.

A symbol of hope, survival, and national character, especially after it rose phoenix like from the flames.

The site of the last royal wedding in Korea.

The supreme shrine of the state.

Its humdrum facade only adds to its electrifying appeal: a rooftop with panoramic views of a shapeshifting metropolis.

This pagoda was once the central feature of a Buddhist temple that no longer exists.

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

A monument to the civilian victims of the Japanese Occupation forces of World War II.

A Buddhist theme park brings you a Buddhist version of Hell.

At almost 1,000 years old, this is the oldest known door in all of Britain.

A dinosaur-laden walking trail outside Singapore's Changi Airport.

The 18th-century inspiration behind Harry Potter's Sorting Hat.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

A memorial for public executions that dates back to the 14th century.

Light still pours into the ruins of this ancient Islamic observatory.

An 18-meter-long sarcophagus of a constantly growing dead prophet.

The Avenue of Mausolea is a series of grand palatial tombs.