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

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Breathtaking and huge 430 year old maps of Italy.

This poignant tribute to the White Rose movement showcases artifacts related to the heroic anti-Nazi struggle.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

A dazzling work by a Pop art legend hangs in one of the world’s busiest subway stations.

This elaborate High Victorian Gothic structure is one of the world's few 16-sided buildings.

A collection of the best toys ever made inside a museum devoted to play.

An antique cemetery in New York, this land is home to any number of famed corpses.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

An art deco ice cream shop covered in vintage tiles.

The U.S. Air Force commissioned this tower during the Korean War to watch the sky for enemy aircraft.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

This installation turns abstract economics into a stark, public spectacle.

The most confusing clock in New York.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

The walls of the statehouse tell the story of Ohio’s prehistoric past.