A museum wholly devoted to juvenescence.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

Abstract dinosaur models in London.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The remains of Crystal Palace Great Exhibition of 1851.

A cluttered and astounding collection of antiquities and curiosities.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Hear the quietest sound from across the dome.

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

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

A beautiful memorial tells the story of a formerly enslaved woman whose kindness shaped a burgeoning city.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Resting place of Hollywood's immortals is also site of summer film screenings.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A giant open-air sculpture made of over 200 full-sized boats.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

An exotic wildlife habitat right off The Strip.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Concrete strongholds stand guard over the Golden Gate.