Possible relics of the ancient Roman city are hidden in this restaurant's façade.

These disused steel furnaces are now haunting ruins that may one day be a national park.

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

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Largest Roman Catholic church in North America.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

Art deco landmark on the outskirts of Washington, D.C.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

The "lovely red Vega" of the legendary record-settling pilot.

An 80-year-old house built out of newspapers.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This turn of the century masterpiece has a mysterious goaty interloper.

Traditional Appalachian dances such as the Georgia Rang Tang and the Shoo-Fly Swing are kept alive at this weekly event.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.