Climb inside an iron crystal magnified 165 billion times its normal size.

A delightful architectural wonder awaits on a lake island in Kuala Lumpur’s oldest park.

This dangerous-looking suspension bridge may have been too unstable to remain open.

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

A meow-velous tribute to a beloved street cat, made famous on the internet.

A marvel of Byzantine engineering under the streets of Istanbul.

Antarctica's bustling metropolis, originally established by Richard E. Byrd.

Nimrod Polar Expedition base, and home to hundred-year-old frozen whisky.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Tiki luxury on Nob Hill.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Morocco's Argania trees are infested with nut-hungry goats.

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

Beautiful public park off the beaten path and away from tourists.

Community bookshelf of 25-foot-tall book spines.

An ever-growing field of footwear invites legends and more shoes.

Russian Orthodox church built on an Antarctic island.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

San Francisco's newly reopened hands-on science museum.