Despite its name, this route in southern Utah offers a heavenly day trip.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Dig for your own trilobites in this goldmine of invertebrates.

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

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Get up close with some alligators at this roadside farm attraction.

An underwater statue of Christ blesses the depths off Key Largo.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

A monument celebrating the idea of reaching inaccessible places.

When you can't get to the Pacific, just go to Florida.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Town of spiritualists and mediums in Florida.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.