An eerie natural formation that looks right back at you.

A fake town founded by Western movie stars is now becoming a hip desert community.

A blast from the past in central San Diego.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

Moonbows over Kentucky.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Marine fossils from the Devonian period are exposed at this park.

An old railroad crossing that’s been converted into a pedestrian bridge.

In 1911 this intersection was called "the heaviest corner in the South," an outlandish claim that only grew wilder over the years.

This 1,500-acre development hopes to be the Central Park of the South.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

A square-domed symbol of resilience in the heart of the old Jewish Ghetto.

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.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Crispy, cheesy rice balls—the Roman answer to arancini—take center stage here.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

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

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

A small cell adjacent to this church was once the bedroom for a renowned saint.