Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

An Idaho legend carved out a cave village with his own two hands.

The pharmacy's retro ice cream mixer is one of the last of its kind.

A rim-made reptile in North Dakota.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A watercolor recreation of a famous fresco unearthed at Pompeii.

A park and memorial dedicated to the victims of the deadliest school massacre in American history.

This empty Detroit high school was too expensive to maintain or destroy.

Many generations of travelers have passed through the steep, smooth walls of this canyon.

The highest point in Nevada had to be decided by court order after California tried to claim it as their own.

Hop on the train and tour an elaborate miniature town made completely of junk (including the train).

This unique historical monument features large concrete spheres designed to resemble fallen stars.

The skeletal white beams stand as a monument to religious dissent.

This old-fashioned carhop restaurant gave the world the waffle cone.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Retirement home where the actress who played the Wicked Witch of the West passed away.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

The former home of the oldest nail maker in the United States was built on the ashes of a mill burned by the British.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

Second largest wastewater treatment plant in the country.