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 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."

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

A remote crossroads honoring a fallen talent.

Remnants of the United States's largest accidental oil spill still mar a California valley.

The San Andreas Fault spectacularly offsets this creek.

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

A cult following celebrates the legend that belies this curious podiatrists' office sign which has worked its way into song, literature, animation, and the visual arts.

Pay your respects to a folk-punk legend.

The site of a classic series of Laurel and Hardy pratfalls.

The last of its kind in the country.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.