In use from 1742 to 1910, only flat headstones were allowed in this cemetery.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

The famed poet was born in 1819 in a farmhouse built by his father.

Outside a small brewery, a Gothic fountain that once provided water to thirsty horses.

A small burial ground honoring Native American veterans of the Revolutionary War.

A sycamore tree grown from seeds that traveled to the moon.

Dedicated to a legendary spiritual vision.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.

This candy-striped tower is the farthest east you can go in the United States.

This tree has witnessed nearly 1,000 years of history.

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

At the end of a street is a statue with no indication as to why it was created.

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

This historic Boston building has gone from personal estate to porn theater and back again.

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

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

Statue commemorating the use of ether in anesthesia.

Around 160 years ago, this spot marked the location of a wharf along the shores of the Charles River.

An enormous, inside-out glass globe built in 1935.

This impressive Boston holy house is the American mecca for Christian scientists.

A unique sculpture designed to raise stroke awareness.

Designed by the company that provided water to the entire community.