The trials and tribulations of marking Poe’s grave.

Inside the Bangor International Airport is a collection of military challenge coins.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

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

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The only standing town in the United States that early Chinese Americans built for themselves.

Giant steel and concrete dinosaurs near Route 66 invite passerbys into a mineral shop.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

An abandoned aircraft sits submerged in a lake in the Alaska wilderness.

A trading post in the North Pole where children send letters.

The king of U.S. high points towers over every other peak on the continent.

A castle-inspired apartment building that has stood in Birmingham since 1927.

One of almost 200 confirmed impact craters in the entire world, untouched for tens of millions of years.

This botanical garden has been nicknamed "Alabama's Little Corner of Greece."

A city park that once housed live spider monkeys and today features a working miniature train.

This coastal port saw one of the most significant battles of the Civil War.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

The second-tallest water tower shaped like a peach in the American South.