So many migrating birds roost on the bridge, it has a special summer speed limit.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

A monument to the forgotten French explorers and their landmark expedition.

The lowest point in South Dakota and the source of the Minnesota River.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

Known as "The Hill of the Little Devils."

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Every president in history is immortalized in bronze in downtown Rapid City.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

An entire city block built completely out of petrified wood.

This Wild West attraction is alive with glitching automatons.

A cemetery housing wild west legends in South Dakota.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This stone, said to have once been a young woman, is sacred to the Dakota and Lakota nations.

The humble beginnings of the man known for his lavish "champagne" music.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.