Painstakingly built dioramas sit unnoticed in a Boston office building.

A men’s restroom became a sandwich shop.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

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

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

Statue commemorating the use of ether in anesthesia.

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

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

The longest and widest floating bridge in the world.

A Roman holiday is closer than you think when you use this 1916 staircase inspired by Rome's Piazza di Spagna.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

A brick-lined alley full of public artwork tucked away in downtown Gulfport.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Portlandia is the second-largest copper repoussé statue in the United States.

The oldest restaurant in Portland serves fiery coffee cocktails and an astounding amount of turkey.

This sandstone mansion was the home of two of Oregon's most important pioneers.

10,000 flowered plants bloom in the City of Roses.