The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

This archaeological site was the center of the extinct Yarmukian culture which developed the first roads and pottery in Israel.

Sprawling archeological site of an 8th-century Islamic castle.

Squeezing inside this deep, narrow canyon reveals a festival of desert colors.

An unexpected treasure trove of military oddities, Turkish interior design, and North Korean art.

Modest but unique pyramid built for a pharaoh has been reduced to a “heap of stone.”

Vast stretch of tide-pools with a unique Moroccan charm.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A monumental golden thumb rises as an iconic homage to Nouveau Réalisme, bold in scale and unapologetic in spirit.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

A 1950s eccentric's vision of Eden preserved as a hiking trail.

Working compound meant to allow visitors to reclaim the values and traditions of the past.

The only Florida state park with publicly accessible caves.

A tribute to the furry local heroes who helped get residents through many tough times.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.