This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

A spiritual vortex among the red rocks in Sedona.

This huge clock made of flowers and simple machinery was once used a political weapon.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Home to items never before seen by the public.

10,000 flowered plants bloom in the City of Roses.

The magic's in the hole!

World-famous, Pink's still manages to keep its prized cult fetish status.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Moonbows over Kentucky.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

Unique tower has outlasted a takeover of the company.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.