An unusual round church in London with a Templar past.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Where manatees are the snowbird vacationers in these balmy Florida springs.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Architectureal fantasy quarter of Rome.

Museum preserving torture methods from the past.

A community of collapsing homes more than a mile out from the Florida coast.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A submerged archeological park still holds the wonders of a Roman Sodom.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The sign at the garden gate reads: "These Plants Can Kill."

The longest hedge maze in the world.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.