One of Oxford's greatest treasures likely belonged to England's legendary King Alfred the Great.

This 11th century tower is said to be the oldest building in Oxford.

This slice of 1960s Danish modernism does not conform to the Oxford college stereotypes.

The remains of an ancient bathhouse sit inside this aptly-named pub.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Follow the original medieval paths that wind through this intriguing section of the city.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

This beautiful 150-year-old synagogue survived Italy's fascist period and the Second World War.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

This large, circular tomb is the final resting place of the first emperor of Rome.

A Nesting Doll of Churches.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

North America's largest accredited model railroad museum.

San Diego's most historic and haunted home.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Huge masonic hall in Philadelphia with lavishly themed rooms.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

This 700-year-old street food market features baby octopus and soy donuts.

The quintessential Japanese rock garden has existed for more than 500 years.

The 10,000 Torii shrine.

CDMX's home for the world's culinary delights.

A museum in the former home of Marxist revolutionary Leon Trotsky.