This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Jurassic Park—A Still Life.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

The largest island on the great salt lake is home to curious creatures and strange stories.

Visitors to this library are in for a real-world education in modernist architecture.

A house carved into a rock in the 1940s.

Largest man-made excavation on earth!

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A motel dedicated to Southwestern nostalgia.

Bits and pieces from the ill-fated Donner Party's winter cabins.

Celebrating the transformation of trash into objects of beauty.

The remains of a ruined mansion memorialize the 1906 earthquake.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

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

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Wool processing mill in an unlikely location.

Dedicated to the history of the health sciences.

This museum gives tribute to the underappreciated "Down-South Submarine."

This haunting tombstone comes complete with a heartbreaking story of love and loss.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Every equinox this Maya pyramid puts on a spooky ancient light show.