Every equinox this Maya pyramid puts on a spooky ancient light show.

Stunning examples of Russia's 18th-century wooden architecture.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Moscow's imposing monument to the Space Age.

Museum celebrating the achievements of the Soviet space program.

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

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A spiritual vortex among the red rocks in Sedona.

Monument to the cotton-destroying boll weevil.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Steepest flood safety railway in the entire world.

Memorializing an American tragedy of massive proportions.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Watch the newest land on the planet form before your eyes.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

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

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A giant Troll lurks under one of Seattle's oldest bridges.

A museum dedicated to the history and exploration of both popular music and science fiction.