A centuries-old church stands as a testament to Boston's "father of architecture."

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

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The Connecticut village named for its subterranean thunder.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

An oddly poignant roadside attraction celebrating American folklore.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

Old Danish castle immortalized in Shakespeare's Hamlet.

The center of the only hemisphere that awards visitors with a commemorative coin.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A giant Troll lurks under one of Seattle's oldest bridges.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A museum dedicated to the history and exploration of both popular music and science fiction.

A wall of chewing gum moonlights as collective art.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This landmark cemetery in Boston was created more than 300 years ago.

The site of Paul Revere's historic two lantern warning.