New York City's smallest piece of private property.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Sniff the Titan Arum's rotting flesh.

One of only two commuter aerial tramways in the United States.

Ride the subways of yesteryear.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

A complicated contraption for telling time by the moon.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.

The beams of the New College, Oxford dining hall come with an amazing story.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

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

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

Used as an example in one of the first dictionary entries for "museum" in 1706.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.