A terrific purveyor of natural history objects and curios.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

A collection of witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

A public urinal so pretty, it was declared a national monument.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

The home of the artist credited with introducing the tomato to the American diet.

The oldest still-operating tavern in the United States was once owned by a pirate.

Oldest synagogue in the United States.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

One part local history, 99 parts gruesome haunted house.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The largest of London's subterranean rivers and once a mad, bad center of London life.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A student driver's nightmare.

A little sculpture with a large wardrobe.

This hidden green space is the city's second largest conservatory.

An incarceration museum on the spot of possibly the oldest prison in England.

This one has sailed five times as far as Sir Francis Drake's famous ship.

360° views of the city plus five floors of optical illusions and hands-on science.