This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Go through the looking glass in Tokyo's Wonderland-themed shop.

The first museum in the world devoted to sexual gadgetry.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

This abandoned prison castle has become an imposing gallery of graffiti art.

A striking 12th-century-style castle built on the edge of a cliff.

The final resting place of the poets Shelley and Keats.

Ruins of a Carnegie family mansion on Cumberland Island.

Prehistoric animals decorate this popular outdoor park.

The largest greenhouse in the world is home to over one million types of plants.

A common entry point to the Griffith Observatory trail holds its own wonders.

An Aztec snake god has taken the material form of an apartment complex.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

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

Travelers exchange letters with woodland creatures at this mini post office.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.