San Francisco's newly reopened hands-on science museum.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The remnants of an archaeological camp stand within Tikal National Park.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Elevated freight railway turned wildly successful urban park.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Hear the quietest sound from across the dome.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

A natural formation that resembles a camel resting in the New Mexico desert.

The start of the group that straightened the teeth of a nation.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

The man who wasn't there.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A Texas museum filled with Broncos and Betties.

A multi-storied adobe complex has been inhabited for more than a thousand years.

These roaring primates were considered a divine creature in the cosmology of the Maya.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.