A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

The ruins of Vancouver's abandoned heritage railway.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This blowhole is supposedly caused by a trapped monster.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

Submerged lava formations create incredible waterworks.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

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

Ten acres of the Kula Forest Reserve make up this wonderous state park.

The famous aviator's final resting place is a study in natural beauty.

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

A tunnel of hardened lava along Maui’s famous Road to Hana.

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

This legendary urban waterfall creates a dazzling display of rainbows.

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

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

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

This black shoreline is made up of exploded lava particles.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Regal guardians to one of the biggest banks in the world, symbols of Hong Kong's history and resilience.

The last street gas lamps in Hong Kong.

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

A half-century-old handmade dim sum joint opens daily at 3:00 a.m.