The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

Thousands of tiny squares in different colors make up this piece of street art.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

The oldest remaining frame residence in Minneapolis.

This fountain was commissioned by a mother grieving over her son's passing.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

The largest hand-carved, outdoor sculpture collection in the state of Maine.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

Small caves once used as a hiding place for some of those accused during the Salem Witch Trials.

Where decommissioned airplanes and helicopters go to become part of Hollywood.

Outside Grand Valley State University, you'll find a bench upon which many were said to have sat according to the fictional Kcymaerxthaere, waiting for a guide of time.

This sculpture is intended to reset a person’s creativity.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

In the fictional world of Kcymaerxthaere, this was the former home of the Marshal of Gravity and the site of his tragic death.

Amazingly, this old machine within the Resorts Casino still functions.

An ode to one of the first concerts broadcast via satellite.

The pioneering photographer's prints are immortalized inside her childhood home.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

It was founded by Ralph Nader to educate the public about an often-maligned area of law.

A fictional town that was briefly brought to life before fading once again out of existence.

The Tallahassee Airport serves over half a million passengers a year and is home to some permanent residents too.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.