St. Augustine's record-setting narrow street was designed to protect against pirates.

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

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

Two giant painted cooling towers make for one of the world’s most epic bungee jumps.

An odd little fishing town that is inundated by tourists looking to be locked up in a cage and surrounded by great white sharks, because why not?

Caves that can't seem to quit producing the remains of prehistoric humans.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

The most extravagant car collection features a Batmobile, Liberace's mirror ball-ed Rolls Royce, and a stunt car from 'The Fast and the Furious.'

A homage to the King at the hotel where he revived his career.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

A wild-haired maestro surrenders to artistic passion in this multi-story mural.

Eat the ultimate iteration of Portugal's most beloved pastry.

New Zealand's oldest prison holds a dark history and the scars of a deadly earthquake.

The highest concentration of Art Deco buildings in the world.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Visitors to this public park will also find the ruins of an old western fort.

This church on a Tohono O'Odham reservation has stood since 1797.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.