Memorializing an American tragedy of massive proportions.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

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

This dramatic rail curve was once the target of a failed Nazi attack.

Steepest flood safety railway in the entire world.

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

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

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

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

Shop of curiosities with a dinosaur museum tucked in its basement.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

Built by the patriotic residents of Boonsboro in a single day.

This abandoned sea fort has become an accidental bird sanctuary.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

The 25th President's marble casket can be visited in this classical Ohio tomb.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.