Biblical beasts and endangered animal preservation come together in this Israeli zoo.

A historic chapel filled with colorful murals and a colorful past.

This amazing ancient cave was kept secret for seven years to protect it from the public.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

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

Built around 1723, this is the oldest surviving home in the U.S.'s oldest colonial city.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

A perfect circle of 24 mysterious holes dates back to prehistoric times.

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

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

A tribute to Ponce de Leon's supposed quest for eternal youth.

This shrine commemorates the site of the first known Catholic mass in the United States.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

St. Augustine's record-setting narrow street was designed to protect against pirates.

These ruins are all that remain of what a Spanish barrack that likely housed a quarry overseer, masons, and stone cutters involved in the construction of the Castillo de San Marco.

One of the oldest, tallest, and most haunted lighthouses in America.

The United States' only educational center specializing in disease vectors and mosquitoes.

One of the largest Native American shell middens stands 30 feet tall.

These mysterious ruins are hidden amid this sleepy coastal city.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

This small museum concentrates on the juicy history of orange production in Florida.