This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

The pioneering photographer's prints are immortalized inside her childhood home.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

A small structure built from used railroad ties honors the short term of America's 20th president.

This Great Depression-era creation was once known as the strangest house in the world.

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

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

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

The longest covered bridge in Delaware.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

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

A curious building honoring past and current members of a historic musical comedy troupe.

A layered tribute to the work of mosaicist Isaiah Zagar.

A completely round house designed for the Atomic Age.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

Pennsylvanian mass grave and possibly mass murder.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.