Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

America's most famous piece of self-built architecture.

One man's homage to the sun continues to grow like a glass fractal.

Resting place of Hollywood's immortals is also site of summer film screenings.

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

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

World's largest collection of serial killer artwork and other macabre exhibits.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A psychedelic labyrinth on the San Francisco bay.

These giant volcano sponges in Antarctica are thought to be the world's oldest living animal, at 15,000 years old.

Southern Ocean waters and glacial forces transform the Antarctic ice into these stunning bridges and caves.

This abandoned Antarctic research station is a Soviet ghost frozen in time.

Russian Orthodox church built on an Antarctic island.

The best place to send your postcards home from Antarctica.

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

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A gateway to a mysterious network of underground tunnels.

Odd outsider art installations surround a Gold Rush-era ghost town.