Stalactites and stalagmites in a beautifully lit cave.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

The tallest waterfall in the Judean Desert is named for its connection to a biblical figure.

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

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

You can row a boat through this ancient underground reservoir.

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

One man's labor of love, Amman's oldest home has become a time capsule with its doors permanently open to artists and guests.

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.

A gorgeous stone viaduct crosses over a bucolic valley.

An abandoned 19th-century iron factory perched along the outskirts of an idyllic village.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

One of the most remarkable caves in all of Iceland was created by a once raging river of lava.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.