This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

At this research institute, the chile is king.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

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

This historic tower in the California desert promises visitors a "vortex of good vibes".

A UFO scrapyard in the California desert.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

This blowhole is supposedly caused by a trapped monster.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

360° views of the city plus five floors of optical illusions and hands-on science.

A six-ton wedding present for the King of the Scots.

A sweet symbol marks the place where torturous executions were once carried out.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.