Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

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

This natural sandstone bridge hasn't been seen since the 1960s when Lake Powell covered it—until now.

A herd of half-sized cow sculptures has stood in this part for nearly 50 years.

A unique sculpture park that features the works of several famed artists.

The oldest candy store in England has been selling traditional sweets since 1827.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

Astonishing rock formations dot the Brimham Moor landscape.

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The last fully working Victorian Turkish bath in England.

Where Agatha Christie mysteriously disappeared in 1926.

In 1999, a new equine figure was cut into this English hillside near the site where an older white horse had previously appeared.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

Several Iron Age artifacts were discovered during excavations of this ancient site.

Inspired by Thomas Stothard's painting of the "Journey to Canterbury," albeit with Canterbury natives.

A monument to the real explorer and bear who inspired characters in Philip Pullman's 'His Dark Materials.'

Colorful sedimentary rock layers provide opportunities both for hiking and photography.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.