The only remaining historic maritime signal station in the United States.

Explore the dark underground corridors of this graffiti-covered former military fortification.

The world's only and thus largest collection of its kind celebrates everyday wonder through simple umbrella sheaths.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

Abandoned Italianate architecture on the coast of Maine.

A natural gas leak provides a flickering flame beneath a waterfall.

This landmark jazz venue is the oldest continuously running African-American club in the United States.

The seat of Buffalo government is a gorgeous Art Deco palace.

A 19th-century architectural wonder designed by the "father of the skyscraper."

The absurd creation is a compulsory destination for selfies in Buffalo.

This vessel is believed to be the oldest operating fireboat in the world.

This nine-story building can be played like an instrument.

The final resting place of an outlaw, whose legend grew after death.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This downtown Dallas art installation is always on the lookout.

See the sky in a new way through this art installation.

A grove of colossal man-made flowers built to collect the sun's rays.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.