A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

This observatory high on a hilltop in the center of Santiago got its start in 1852.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A research lab and hands-on museum where visitors can experiment with retro technology.

The toilet-shaped house of South Korea's sanitation pioneer is now a museum to the john.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

These enlarged egg sculptures represent the native birds of eastern Iceland.

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A miraculous natural phenomenon known as "the spring that breathes."

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Thousands of years of crashing waves gave this mushroom-shaped rock its svelte figure.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

A contemporary fresco movement illustrates the region's rich history.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Home to the deepest rift anywhere on Earth.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

Eight whimsical acres of metal art.

The 14th-century ruins are said to contain healing powers.

These beautiful objects represent beautiful ideas.