This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Quite simply the largest tree in the world (by volume).

Towering basalt columns, a creation of fire and ice.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

This historic national park is covered in the stunning ruins of red rock pueblos.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

A historic coal mine that doubles as a museum and tourist attraction.

Time travel with sweets across history at this research-based candy store.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

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

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

A mysterious stone embedded at the base of a historic Boston building.

This historic patch of real estate offers a glimpse of colonial Boston.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.