A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of the oldest of its kind.

Yo, Adrian!

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

An Irish Memorial commemorating those who perished due to potato blight.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Both church and state get put to the torch in this annual festival in the "Bonfire Capital of the World."

England's most notorious suicide spot.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.

Decrepit Victorian public lift is a white-knuckle ride.

One of only two commuter aerial tramways in the United States.

Elevated freight railway turned wildly successful urban park.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A celebration of capitalism in Midtown.

Museum celebrating the history of computers, especially their role in codebreaking.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.