Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

A speakeasy takes on Chicago's drinking culture.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

A building so large that it has its own weather.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

A genuine Tudor manor transported piece by piece from England.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

This stately clubhouse has showcased German-American culture for over a century.

Why walk on this historical site when you can zoom down instead?

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Elaborate tile work in this railway station tells the story of Portugal.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.