The final resting place to 300 Victorian-era pets hides inside the city park.

Eighty million natural history specimens call this gargantuan museum home.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Morocco's Argania trees are infested with nut-hungry goats.

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

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

Dedicated to the neverending mathematical constant, this plaque next to a park bench was sponsored by an anonymous benefactor.

Palestinian-style savory breads and fine patisserie are served with a generous side of hospitality.

This stone in Lexington honors a formerly enslaved man who fought during the American Revolution.

This statue is a commemoration of the only place where Freud spoke in the United States.

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

Dedicated to a colonial woman who was hanged for being a Quaker.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

Dedicated to nine marines from Massachusetts who perished during the Beirut bombings.

The world's only surviving heavy cruiser has a haunting history.

Created by a local artist, these quirky sculptures each have their own names and personalities.

A memorial dedicated to victims of the Irish Potato Famine who perished while quarantined on this island.

Dedicated to "the father of U.S. life insurance."