A former major munitions plant that has been converted into a sprawling art space.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

An old slave lookout in Cuba's historic sugar cane fields.

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

These flying foxes dangle from the trees around the library like fuzzy black fruit.

A giant Australian fruit and tropical farm.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

This historic observatory contains the world's oldest refracting lens telescope.

Come for the flowers, stay for the bats!

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Malaysia's floating mosque.

Singapore's landscaping project is home to 18 incredible Supertrees.

The most playful of the life-sized statues that make up Singapore's "People of the River."

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Climb to the top of the world's largest seated bronze Buddha.

Venture into the hideout of one of Hong Kong's legendary pirates.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

A small subculture of boat dwellers keep their traditional way of living alive at this Hong Kong Typhoon Shelter.