An abandoned masterpiece of Soviet Brutalist architecture.

Colonial Williamsburg was home to one of the earliest institutions in North America dedicated to educating Black children.

Dine like an American revolutionary at Colonial Williamsburg.

An eerie smiling woman looms above the granite tombstones.

The world's longest known cave system.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This elaborate towering structure was once famed for its revolutionary height.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The world’s first penitentiary, meant to be humane, drove men insane.

This airport also offers travelers the chance to view thousands of years of Turkish history.

Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.

Deep in the Negev Desert, the world's tallest solar tower looks like a sight straight out of science fiction.

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

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

The only quarter of the Old City not dedicated to a major world religion.

An ancient underground cultic temple where sunlight penetrates on the summer solstice.

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

The home of the Dead Sea Scrolls is an abstract modernist dream.

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.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

Sprawling archeological site of an 8th-century Islamic castle.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

The only structure left with direct ties to the Salem witchcraft trials of 1692.