The remote graves mark the mysterious deaths of four 19th century explorers.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Final resting place of one of the classic authors of horror literature.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

The stone sculpture of an Ottoman soldier is an homage to a lost Providence landmark.

Rumors of the occult haunt this upscale 1920s hotel.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

From horses to stainless-steel trucks, this iconic Providence burger wagon is one of the oldest mobile diners in the country.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

The only surviving fragment of the lost Narragansett Pier Casino.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Race through the maze, get your name on the sign.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

This blue behemoth of a bear is a colorful homage to Brown University's mascot.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.