The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Quite simply the largest tree in the world (by volume).

An engineering masterpiece, or “Scheme of Madness?”

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

A former drinking water storage reservoir transformed into a sunken garden.

The yawning remains of a complex naval fortress still haunt this Australian shore.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

A taste of Egypt on the outskirts of Geelong.

A clear example of the process of erosion in action.

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

The 18th-century home was disassembled into 253 cases and brought all the way from the other side of the world.

A striking bronze sculpture of a Roman goddess with two hound dogs for company.

This work of public art symbolizes the maritime history and the modern creative industry in Fremantle.

Cooled, fractured lava formed this geometric rock feature.

Alien rock formations grown from the sands of an Australian national park.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

Outside the National Dinosaur Museum, dozens of dinosaur statues and sculptures claim the landscape.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.