A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A wall of chewing gum moonlights as collective art.

Make your reservation to have coffee with some kitties.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

A submerged archeological park still holds the wonders of a Roman Sodom.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Ruins of a German Castle on top of a towering stone pillar.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The fairy tale castle of the "fairy-tale king."

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Visitors can swim with vicious predators in Crocosaurus Cove's plastic daredevil enclosure.

This Australian beach is composed of tiny shells.

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

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

A sparkling sandstone cliffside that's worth a visit while it still exists.

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

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

The only pollutant in the clear blue water is sunscreen.

Once the path of a railway tunnel, now home to thousands of glowing insects.

Australian Lake set aglow by Noctiluca Scintillans.