This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

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

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A natural history wunderkammer in the middle of the desert.

Known as "The Dome" this is the world's largest open air geodesic dome.

This unique zoo is the only place in the world where you can see all 15 species of crane.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

An unusual geological feature towers over the remains of a dark episode in United States history.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This rustic old building is said to be the most photographed barn in America.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

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

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

Rare recess caves fill this unbelievably beautiful Ohio park.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The eccentric mansion of one the most popular horror authors of modern times.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

This quiet park's strange sedimentary spires were named after Kodak's color film.

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