This blowhole is supposedly caused by a trapped monster.

This former luxury resort in Kaua'i is now an abandoned relic.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The house's confection-like decorations are the result of one man's painstaking work over decades.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The symbol was surreptitiously built into the river bank by German prisoners of war.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

The best Tiki bar in Las Vegas.

One of the oldest lighthouses in the world has been in continuous use since it was first built in 1531.

Although he donated over 3,000 acres to Los Angles, Griffith's life was marred by controversy.

This historic aviation building is now a museum owned and operated by Disney.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Just outside the Ohio Supreme Court sits a testament to justice.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

A floating cat sanctuary on an Amsterdam canal.

Oldest Museum of the Netherlands is a true cabinet of curiosities.