An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

See massive fossils that are over 200 million years old in northeastern Arizona.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

A Mysterious Masonic tomb in San Luis Obispo.

A hotel and restaurant serving as the mecca of kitsch.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

Yo, Adrian!

America’s smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

Thousands of turbines whir at the origin of North American wind power.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

This 17th-century house was once the trading hub for two prominent Canadian fur barons.

Every year, the colorful murals of Montreal get a complete makeover.

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

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

The oldest pictographs on this decorated rock formation in California's Carrizo Plain date back as many as 4,000 years.

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."