Don't get it twisted: This is the oldest pretzel bakery in the United States.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A big museum full of little worlds.

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

An eerie, derelict amusement park in Berlin.

During the holidays, a vintage subway train whisks New Yorkers back in time.

This freshwater spring fills with 10,000 gallons of water per minute.

An encyclopedic collection of mammal penises.

Beautifully decorated tarot cards from the Middle Ages.

Soak in the soul of Kansas City at the oldest continually-operating jazz club in the country.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

This colorful monument commemorates a little-known story from the life of Abraham Lincoln.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Someone really, really wanted to save this fast-food icon from demolition.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The first "Hut" was actually a small brick building.

European castle ruins in an American state park are actually the product of death and grief.

A kindergarten shaped like a cat with a tail that's a slide.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

The eerie remnants of an ancient forest were hidden under the sand for centuries.