An abandoned 146-acre summer resort slowly being reclaimed by nature.

An overgrown and abandoned tuberculosis ward resides in the midst of a quaint modern neighborhood.

One of the few places in the world home to living stromatolites.

Nearly four centuries after its founding, remnants of one of the oldest planned communities in North America are still visible in southern Brooklyn.

This statue is the only female representation of Rome's "talking statues."

One of the oldest still-working clocks in the world sits on an ancient tower.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

Hidden by the roadside in the Iya Valley, this gem brings together folk monsters and the region's unique geography.

Constructed during the 1960s, this bridge is still the highest in Italy.

A mountain cave is the site of archaeological findings and Paleolithic rock art.

This natural monument has an origin story steeped in legend.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.

An abandoned village, frozen in time by the threat of a landslide.

This scenic fortress dates back at least 2,400 years to the time of Magna Graecia.

The world's biggest version of the popular Swedish souvenir.

A secluded fortress from the days of the Crusades that offers breathtaking views.

When occupying Nazi troops detonated a mine below, medieval frescoes were revealed in this small cliff-side hermitage.

This fountain tucked away in a park is the focal point of the only "Green Basilica" in Germany.

A place to learn about the history and culture of Mexico's largest Anabaptist group.

A perfectly preserved example of a fortified Medieval ricetto.

Accessible only by train, the beauty of Agawa Canyon Wilderness Park is worth the journey.

A schooner, nicknamed "The Unsinkable," with a long history of survival in the Indian Ocean.

A whimsical European-style chateau that calls the coast of Chile home.

This is the last hand-cranked chain ferry of its kind in operation in the United States.