Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

A historic ruin just 20 feet away from a busy highway onramp.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

Also known as the Founding Church of Scientology.

The most accurate timepiece in the world.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This ancient theater was once the home of fierce gladiatorial battles.

Historic medieval fortified city in southwest France.

A functioning Roman-era aqueduct and bridge in rural southwest France.

Peeing dogs guard the Roman hunting goddess atop a fountain at France’s Château de Fontainebleau.

The famous winding walk at Chartres is surrounded in mystery and myth.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This museum is dedicated to the most famous Irish writers in history.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.