The world's largest fully steerable radio telescope.

What is the Thing?

Bizarre Cavern.

The most alien-looking place on Earth.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Walk through living pictures and music in the Cathedral of Images.

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.

A giant portrait of an ancient king looms over the river.

The tallest residential building in Africa is an unsettling Brutalist monolith.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

A taste of Middle Earth, in the middle of the Bayou City.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This large artificial waterfall in Washington state was merely an incidental byproduct of a technological megaproject.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.

This gallery is home to everything from antiques, to ancient tribal masks.

A total of 22 tiny bridges cross this canal of the Yvette River, forming a unique trail.

One of almost 200 confirmed impact craters in the entire world, untouched for tens of millions of years.

In Rickwood Caverns, visitors can travel hundreds of feet underground and see beautiful formations unique to the region.

A little-known occurrence of fossil wood in northern Washoe County, Nevada, near the Black Rock Desert.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

This spooky road cut through a mound of ancient coral might be haunted by a witch.