One of England's most famous churches hides a pair of little known architectural treasures.

A wonderfully eccentric Victorian-era museum and library.

This strangely dressed taxidermy creature has a heartbreaking story.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Standing guard on top of an old, vacant ice cream shop.

One of the oldest living oak trees in the Southeast.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An office built to look like a giant basket.

Rare recess caves fill this unbelievably beautiful Ohio park.

An abandoned asylum incorporated into a college campus.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

Known as "The Dome" this is the world's largest open air geodesic dome.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

The oldest remaining authentic Putt-Putt course that Donald Clayton created in Ohio.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A modern sliver of architecture in Roma.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Architectural monsters are devouring this palace's every door and window.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.