The second oldest anatomical theater is housed in a museum of curiosities.

The final resting place of the father of modern biological taxonomy.

Located in an old church, this brewery produces a different kind of holy water.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

An ancient monastery, a locked room, and a mysterious book heist.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Yup, that's where the name came from.

Where animatronic singing fish go to retire.

An acoustic anomaly with a mysterious cause.

A museum where visitors can learn about greyhounds and (more importantly) pet them.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Savor the famous tempura-fried pork tenderloin sandwich at this long-standing Kansas City food counter.

Danish whalers once brought back whale bones to use as building materials in places where wood was scarce.

Denmark’s never-ending bridge.

Preserved "bog person" that is over 2,000 years old.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

A speakeasy takes on Chicago's drinking culture.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

This fascinating museum in an old water tower holds the world's largest collection of Vodou artifacts from western and central Africa.

Before the electric telegraph, a chain of stone towers carried messages across France.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

The final resting place of soldiers' loyal canine companions.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.