The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This is the oldest Roman-made bridge in the city still existing in its original state.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

What appears to be an ancient Roman temple is actually a Catholic church.

The oldest Hindu temple complex in Nepal serves as the seat of Nepal’s national deity, Lord Pashupatinath.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

This 11th-century temple gave rise to the word "juggernaut," as well as some mysteries that defy scientific explanation.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The world's second-largest sundial, made entirely out of stone.

There are millions of temples in India, but only one prominent temple dedicated to the Hindu creator god.

This 15th-century mosque is a beautiful blend of Hindu and Islamic architecture.

This 16th-century mosque is the hallmark of the African architectural legacy in India.

This restaurant is proud to be built atop a burial ground.

Walk the whole Mississippi River!

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

From horses to stainless-steel trucks, this iconic Providence burger wagon is one of the oldest mobile diners in the country.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

An unusual library of dead things at the Rhode Island School of Design.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

A simple Colonial home with a past haunted by death and madness.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

The place where Samuel "Slater the Traitor" brought the Industrial Revolution to America.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.