A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

An ancient fortification lives on in this Chinese city.

Although resembling a grand Buddhist temple, this structure is actually the largest mosque in China.

10,000 flowered plants bloom in the City of Roses.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

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

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This legendary urban waterfall creates a dazzling display of rainbows.

These ancient sacred grounds granted amnesty to those who managed to reach them.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

A white oak with property rights.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

360° views of the city plus five floors of optical illusions and hands-on science.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

A natural arch offers panoramic views of Yangshuo's karst hills.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.