This popular pilgrimage site offers a hole filled with holy healing dirt.

A natural formation that resembles a camel resting in the New Mexico desert.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

This single-track road rewards brave drivers with stunning Scottish scenery.

Go inside to really appreciate this 500-year-old technological masterpiece.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

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

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

Bouncing, delightful, mechanical art at the MIT Museum.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

Impossibly life-like natural history models created out of glass by a father and son.

Three prestigious academic collections come together to create a world-class natural history museum.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

An alien church provides much needed silence in the midst of a Finland shopping center.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.