Narrowest house in Boston.

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

The Boston square dedicated to the dark poet who was born nearby.

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.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Two thousand artifacts from around the world collected by one woman who loved to travel.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

The first declared National Monument in the United States.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

Inside this store, a mysterious statue draws visitors from the world over.

The taxidermied remains of a once-great parrot.