Grand architectural relics gain a new life in this Pennsylvania warehouse.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

Abandoned blast furnaces are an enduring reminder of Scranton's once booming iron business.

It would take 35 firetrucks to fill this enormous glacial pothole.

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

The graffitied ruins stand hidden within the Pennsylvania woods.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

Narrow gorges and deep pools created by long-ago glaciers.

The first full-scale tunnel built in America is short but scenic.

A mysterious lake provides fresh water without any source, somehow restoring itself from atop its mountaintop perch.

This sculpture was made in 1973 for the city's 300th-anniversary celebrations and was largely considered an eyesore at the time.

A castle built for love, and abandoned due to heartbreak.

The private island of Yale's elite Skull & Bones society is kind of a dump.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

This tiny little island has, as the name says, just enough room for its single house.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

Located on the banks of the St. Lawrence River, this mansion is home to a massive art collection.

Lady LeWinDa Milkzalot showcases Lewis County's dairy farming heritage and boasts an impressive rotation of seasonal outfits.

This Upstate New York park squeezes a lot of history into its two-acre triangular space.

A carriage house converted into what resembles an 11th-century English manor house