Though they've since been renamed, these two streets hint at Dublin's darker days.

These murals stand as reminders to the troubled history of this Northern Ireland city.

The world’s first museum dedicated to exploring human rights unleashed a wave of controversy.

Authentic gondola hanging from the ceiling, notable mural in the back room.

A black and white mural stands out from its psychedelic surroundings.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

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

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

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

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A contemporary art installation housed within a Gothic cathedral.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

A daily replay of the experiment that proved the rotation of the Earth.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A daily pyrotechnic celebration marks a beloved tradition during Valencia's festival season.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.