A former major munitions plant that has been converted into a sprawling art space.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Horse cemetery on the grounds of Blarney Castle.

An important landmark in the history of algebraic logic.

This supermarket offers shoppers a window into the past alongside their groceries.

The modern birthplace of Irish freedom.

Lumps of significant stone from around the world surround a flaming monument for peace.

Now a museum, this building was once a 14th-century monastery and the place where the founder of the Dutch nation lived and was assassinated.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

A plaque marks the spot on the bridge where one of the first elephants in the U.S., Little Bet, was gunned down.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

A unique work of automotive art calls this shopping center home.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

A collection of full-size movie monsters opened to the public.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The Wright Tavern is possibly the most important building in Concord Massachusetts to the American Revolution.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

A serene plaza that commemorates one of the Granite State's most iconic figures.

America's first public lending library began with a gift from Benjamin Franklin.

The inconspicuous grave of the University of Illinois' first president is just steps from the main quadrangle.

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

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