This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This backwater graveyard in the Hamptons became a trendy burial spot and posthumous status symbol for famous artists.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Over 120,000 curious objects that have shaped our modern world.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

CDMX's home for the world's culinary delights.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

The only working large-scale tea plantation in the United States.

A psychedelic labyrinth on the San Francisco bay.

Part bookstore, part café, and part forest.

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

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

An underwater city for the dead.

In paradise, feral pigs have claimed an island all to themselves.

They squeal, they nosh, they look like predators.

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

One of the deepest blue holes in the world.

The United States Capitol's former columns still stand.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

This elaborate towering structure was once famed for its revolutionary height.

Huge masonic hall in Philadelphia with lavishly themed rooms.