This plaque commemorates the birthplace of the longest-ruling Thai monarch and the third longest of any sovereign state

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

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

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

Memorial to a beloved puppeteer as well as all street performers.

Eat first, shop later at this eatery within an Asian grocer.

This supermarket is suspended 25 feet above an interstate highway.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

Dozens of bronze glove sculptures symbolizing loss and life decorate a busy Cambridge subway station

The bronze uniforms commemorate the vital role of women during World War II.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

This imperial marble stele was given to Harvard by Chinese alumni in the 1930s.

A perfectly crafted Pre-Columbian artifact dating back to 600 CE.

Impossibly life-like natural history models created out of glass by a father and son.

Three prestigious academic collections come together to create a world-class natural history museum.

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

A medieval military street hidden beneath a charming French fishing village.

A cast iron Fiat 500 sculpture overlooks the sea at Port Lympia.

This massive blockhead sculpture hides an entire library.

A place to see how French aristocrats lived in the early 1900s.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This hidden labyrinth offers walkers some brief peace of mind.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.