An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The spot where Oxford garnered its name was also home to a medieval philosopher and includes a house covered in statues.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

This unusual 7th-century Frankish seal offers more questions than answers about its past.

This imprint of an old computer keyboard has a unique backstory.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

Rummage through this sunken ship, but leave your scuba gear at home.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

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

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Try not to get slimed in Tribeca.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

One of the world's largest collections of pathological specimens.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.