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

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A priceless collection of the Nation's cryptologic history.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

An extravagant western hotel where every floor is the "ground floor."

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A spiritual vortex among the red rocks in Sedona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

See massive fossils that are over 200 million years old in northeastern Arizona.

A building so large that it has its own weather.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

This historic cliffside mansion uses a natural cave for air conditioning.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Community bookshelf of 25-foot-tall book spines.