This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

Yo, Adrian!

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A failed piece of Orientalism has become the proud symbol of a community.

The oldest farmer's market in America is so ancient it was approved by the King of England.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Mysterious rocks that ring musically when struck.

A toxic ghost town sitting atop a massive coal fire.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A local prank turned town icon.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A contemporary fresco movement illustrates the region's rich history.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This natural sea cave hides a small wonderland of natural turquoise beauty.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

This natural wonder is disappearing at an alarming rate.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

Mexico City's largest market contains a Willy Wonka-esque wonderland.