A cherry tree growing atop a mulberry tree.

Notorious artist squat renovated into legal studios.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This shop specializes in oddities and Victorian-inspired wonders.

340 bicycles, 65 feet high.

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

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The astonishing collection of an infamous criminologist.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A striking symbol of the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Five candy-colored villages on the Italian Riviera.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Bell tower juts out from a village buried under a lake.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.