The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Elevated freight railway turned wildly successful urban park.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This classic steam-powered train takes tourists on a nostalgic trip around the Connecticut River Valley.

The tragic tale of the dentist who pioneered the use of anesthesia.

A small museum packed with specimens from important fossil sites and minerals from historical pegmatite quarries.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

A jewel of early electric boosterism once again charms Connecticut's historic "Hat City."

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

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

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

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

It was founded by Ralph Nader to educate the public about an often-maligned area of law.

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

This historic railway museum may have lost its passengers but not its love for trains.

The Connecticut village named for its subterranean thunder.

Thousands of American timepieces on display in the former clock-making capital of the country.

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