340-foot statue built to honour the Heroes of the Soviet Union.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

The deepest metro station in the world.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A self-built castle made by a mysterious man.

The world-record holder for the longest bridge stretching continuously over water.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Take a monster truck tour around an ostrich farm in the middle of the desert.

Limestone caves with spectacular showcase chambers.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

See massive fossils that are over 200 million years old in northeastern Arizona.

A reproduction of earth's many biomes.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Home to items never before seen by the public.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A geological mystery on Camelback Mountain.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."