Catacombs turned marketplace.

An unusual round church in London with a Templar past.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

A flooded Mexican cave that hides a river beneath the water.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

Eclectic architecture in the woods of New York.

The home, museum, and death site of Kodak's influential founder.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

Comprehensive gaming collection of over 30,000 electronic games and consoles.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

Rochester's signature culinary delicacy.

A bronze ballot box stands at the spot where Susan B. Anthony voted illegally.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

This giant Boston statue of Mary is standing on a globe to show her power over the universe.