This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

Who knew the Devil's domain was a hot spot for tubing?

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

Underground tunnels remain beneath this abandoned mental asylum.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

Memorial to one of the most fatal fires in both circus and U.S. history.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

A public urinal so pretty, it was declared a national monument.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

A portrait of the Charter Oak hangs in a frame made from the Charter Oak.

An abandoned gun-funded 19th century utopia.

A wunderkammer hidden on the top floor of the Hartford statehouse.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.