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

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

One of the now-less-hidden floral gems of the "Emerald Necklace."

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

One of the indelible moments of the American Revolution took place at this location.

A line of blue paint marks the route of the inaugural parade.

Walk through Czech history in Prague's largest graveyard.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A much-maligned monument to teetotalism.

Home to items never before seen by the public.

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

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

Expertly restored pinball machines as far as the eye can see.

Five candy-colored villages on the Italian Riviera.

An enormous and lavish Gothic church in Czechia.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

The first and only carousel with a lineup entirely of insects.

The second oldest continuously operating bar in Louisiana.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."