The world's largest piece of copyrighted artwork.

Bouncing, delightful, mechanical art at the MIT Museum.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

The site of Paul Revere's historic two lantern warning.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A single tree's 2,800 aerial roots give the appearance of a complete forest.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

The world's largest secondhand book market is a haven for bibliophiles and bargain hunters.

An ancient iron pillar in Delhi that seems to be rustproof.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

A blooming house of worship for the masses.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The world's second-largest sundial, made entirely out of stone.

An eclectic mix of influences rot together in harmony in this India necropolis.

The abandoned site of the Beatles spiritual awakening and subsequent revolt.

This lavish estate recalls the opulent history of Calcutta.

An extraordinary "City of Caves" carved from solid stone.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Museum design and public transportation meet in this unique Russian train car.

This blowhole is supposedly caused by a trapped monster.

Watch the newest land on the planet form before your eyes.

A controversial memorial at the place where Captain Cook met his violent end.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.