The embalmed remains of the communist leader lie within a custom crystal coffin.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

A harrowing trail up a mile-high mountain.

These tiny statues form a terracotta army from China's Han dynasty.

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

The most famous location in China was home to whole dynasties worth of imperial rulers.

Tiki luxury on Nob Hill.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The first spinning jail built in the United States is the only one that still turns.

This is the spot where the bloodiest battle in the American Civil War may have started.

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

Home of the only civilian casualty at the Battle of Gettysburg.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The oldest surviving presidential residence in the United States.

Alexander Hamilton’s creation caused quite a bit of controversy.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

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

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

There aren't too many operational funiculars around, but Pittsburgh has two!

Yo, Adrian!

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.