Cryptid lake monster honored with its own monument.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The only remaining historic maritime signal station in the United States.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

American artist J. Alden Weir purchased this 60-acre estate for $10 and a painting.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

Journey inside the bowels of this sperm whale sculpture.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

An abandoned gun-funded 19th century utopia.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

This roadside wonder is as mysterious as it is beloved.

This museum holds a fully-functional replica of the "Turtle," the first American submarine ever built.

A giant ant model welcomes visitors to an exhibit about symbiotic organisms that live with army ant colonies.

The graves of a Connecticut family thought to have been plagued by a vampire.

Made of bronze and wearing a blue gown, this lady sat in the same location in the Yantic Cemetery for more than 119 years.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The trials and tribulations of marking Poe’s grave.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.