With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

The little-known second castle that William the Conqueror built in York.

One of the shortest streets in York has an especially odd name.

Follow the original medieval paths that wind through this intriguing section of the city.

A wonderfully eccentric Victorian-era museum and library.

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

This skewed English house has looked like it's going to fall over for centuries.

A small Japanese village claims to be the final resting place of the son of God (and God's other son's ear).

Hot springs monkey spa in the middle of Hell's Valley.

These pretty kitties killed and ate as many as 135 railway workers.

This historic hotel invented the chocolate brownie.

The oldest brick house in the state of Ohio.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

This magnificent Cincinnati graveyard is also a popular public park.

What is it about mushrooms that makes people wish they lived inside of them?

An art deco ice cream shop covered in vintage train station tiles.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

The stoutest tree in the world.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.