A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Stay in a room with a view... of the bottom of the ocean.

This home is decked out like a psychedelic explosion of colors and bowling balls.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

A formerly abandoned mental institute, now back in business.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

One of only two remaining Victorian-era greenhouses in New York.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

I fought the law and the precinct caved in.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

Once America's longest-manned military fort, now an abandoned hulk.

This vacant church in the Financial District was once the heart of New York's first Syrian immigrant community.

This abandoned ironworks was once the most important military supplier in America.

A former connection to City Island, it has been abandoned since the 1930s.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.