The remains of a failed subway in upstate New York is now an underground graffiti bunker.

The Flatiron Building's storied West Coast cousin is a lot more into religion.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

A 1914 beaux arts auditorium that sat shuttered for 20 years, restored and reopened in 2026

Special tunnels built so that frogs won't be killed when crossing the highway.

Seven ceramic sculptures are scattered around this California college campus.

A monument celebrating the idea of reaching inaccessible places.

Concrete strongholds stand guard over the Golden Gate.

The hallucinogenic center of the ancient world.

An vast warehouse of everyday treasures in Berkeley, CA.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

At 207 feet, one of the world's longest continuous escalators.

The site of the climactic scene from the classic horror film is now a historic landmark.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Tubing through a cave lit with glowworms is a magical underground experience.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

This strange geological landscape erupts with sudden bursts of water.

Highly spherical boulders on the shores of New Zealand.

A bomb shelter and some fireplaces are all that remain of the house Fred Roberts tried so hard to keep standing.

Come crisp December nights, this fairly plain neighborhood becomes a holiday dream world.