Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

The world's second-longest burning light bulb.

Belly up to the bar in Cowtown, don't forget to buy some boots.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

Elvis's own personal tropical hideaway.

A treasure trove of rare and exquisitely detailed antiques

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

This candy-colored storybook village originated as a 19th-century Methodist campground.

The second oldest continuously operating bar in Louisiana.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A little piece of Paris in the sultry south of the U.S.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

Off a back road near Waterville Valley, one can find a castle turret built by an eccentric reverend over 100 years ago.

These boots are made for selfies.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

The historic home still shows the scars from a little run-in with the British in 1813.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This supermarket is suspended 25 feet above an interstate highway.