The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The middle finger of modernity.

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

The only museum with its curator—and her pets—buried inside.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

This factory made "health corsets" that were a step towards liberating women's bodies.

Underground tunnels remain beneath this abandoned mental asylum.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

One of the earliest graveyards in the region.

This statue honors a pillar of the early New Haven Black community.

This statue honoring the most decorated dog of World War I stands in a Connecticut park.

The site where chief Miantonomo of the Narraganset people was captured.

This large boulder was used as a lookout point by Revolutionary War militiamen.

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

A statue commemorating a 16-year old girl's nighttime ride to raise a militia against attacking British troops.

This sculpture commemorates the first instance of an American president pardoning a turkey.

The final resting place of one member of the Amistad slave revolt who never made it back home.

Final resting place of the actress famed for her roles in Dark Shadows and Dario Argento's Suspiria.

An extra-wide chair built to accommodate the former president's big behind.

This tribute to the founding father of the American dictionary originally contained a spelling error.

A tiny memorial for the year the Connecticut River almost destroyed New England.