The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

Stolen goods adorn the organ at Old North Church.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Tragedy on Little Brewster Island memorialized.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

Statue commemorating the use of ether in anesthesia.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

This 1,500-acre development hopes to be the Central Park of the South.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

A 1950s eccentric's vision of Eden preserved as a hiking trail.

An underwater road considered a possible Atlantis location.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

In which a local geological marvel becomes a quaint roadside attraction.

The mysterious round rocks of Schooner Gulch.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

This cave holds a surprisingly colorful variety of geological oddities.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.