These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

One fisherman has used his love of pebbles and shore to create a crazy garden of rocky art.

Decrepit Victorian public lift is a white-knuckle ride.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The ancestral home of beloved English poet Lord Byron has a bizarre history.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

This Victorian marvel of engineering and artistic prowess is nicknamed the "Cathedral of Steam."

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A celebrated bandstand at the center of what was once the worst slum in London.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

The unbelievably opulent home built for an infamous newspaperman.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A museum and shop on Bourbon Street located in the French Quarter.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Catacombs turned marketplace.

The final resting place of a space program monolith, soon to be unveiled again to the public.