Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Protecting the dead from opportunistic body snatchers.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

St. Augustine's record-setting narrow street was designed to protect against pirates.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Gutted airplanes slowly decay in a Florida field.

A tribute to Ponce de Leon's supposed quest for eternal youth.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

All that remains of the only English cathedral destroyed in the Protestant Reformation.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

The underground hideout of a Japanese soldier for whom World War II ended in 1972.

Located on Guam's south shore, this small cave is named for an ancient and powerful Chamorro Chief.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

The time thousands of bags of chips washed ashore in the Outer Banks is memorialized in a local museum.