This former psychiatric hospital was once one of the largest in Australia.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The world's oldest and largest museum of mass transit vehicles.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A men’s restroom became a sandwich shop.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

A room hidden behind a swinging shelf in the children's section.

A bizarre roadside attraction and the first instance of miniature golf in the world.

An underground magnet for ever-changing street art.

In Midtown Atlanta, tons of marble appears to be devouring a Fiat Panda at this unique art installation.

A colorful square marks the heart of the city's LGBTQ community.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

$10,000 won in a poker game in 1884 allowed James Draughon to build this intriguing home.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.