Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

The land is home to swimming ponies and a legendary 18th-century treasure.

This hidden treasure provides a charming access point along the south side of Baker Park.

A Civil War Museum with some notable medical antiques.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

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

A massive, heart-shaped, wind-carved crater in the middle of the Israeli desert.

A magical oasis in the middle of the Negev Desert.

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

The most peaceful "country" in the Middle East.

A stunning mosque owes its design to an Ottoman ruler nicknamed "the Butcher."

This subterranean funicular is one of the world's smallest subways.

An iconic view point of the Sea of Galilee offers a look into Israel's past.

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

Tel Aviv's popular neighborhood went though endless waves of transformation.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

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

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

This nightmarish children's plaything was left grotesque to help kids conquer their fear.

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

This unassuming oasis elevated just above the busy streets of Jerusalem offers one of the best views of the Old City.

A "miracle" that seems to produce more holy fistfights than holy revelations.