Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

An astounding collection of medical specimens, including bits of President Lincoln.

Eighteen miniature death-scene dioramas.

The trials and tribulations of marking Poe's grave.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This free, take-a-book shop seems like a trick but isn't.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

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

In the aftermath of the murder of six educators at Sandy Hook Elementary School, a memorial was constructed to remember all the teachers, administrators and staff who lost their lives.

This roadside prairie Statue of Liberty replica is one of the foremost examples of the Boy Scouts of America's "Strengthen the Arm of Liberty" campaign.

A small-town limestone memorial to a local cartoonist and to Porky Pig, his most famous subject.

Once a giant oak that served as the region's post office.

This rural water utility building houses a tribute to one of the greatest stars of the silent film era.

A Google software engineer's Easter egg led to what may be the world's most unusual saved screenshot.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

The first "Hut" was actually a small brick building.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

Massive still life just off the highway in Kansas.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

A unique attraction and museum dedicated to exploring iconic roadside structures.