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

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

The Dead Sea Scrolls were discovered in the ruins of this ancient monastic community.

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

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

Charnel house at the foot of Mount Sinai.

Largest collection of mounted dinosaur specimens in the world.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

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.

This giant temperature attraction created some giant electric bills.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

An oasis of lilies cultivated by the "Indiana Jones of Water Lilies."

Golden plates containing what would become the Book of Mormon were believed to be buried on this New York hillside.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

The only road through the heart of Glacier National Park.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

This one-time health resort was used by aristocrats around the world.

The hippo that stands on this university campus was once a drunken flea market purchase.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

As one of the world's largest hydroelectric dams this plant took two countries to get built.