Places Sylvester Wants to Go

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

France's national museum of scientific and industrial instruments.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

The second oldest anatomical theater is housed in a museum of curiosities.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This historic stone bridge has an entire neighborhood clinging to its sides.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

The oldest inn in England served brew to the crusaders.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The world's largest reflecting pool is just two centimeters deep.

A museum of carnival attractions where you are invited to ride the rides.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

Building Men of War and Indiamen from Holland's Golden Age.

The foundations of a forgotten fortress, wedged in between two streams.

Grotto replete with mystical designs laid out in glued shell mosaics.