This impressive Boston holy house is the American mecca for Christian scientists.

One of the now-less-hidden floral gems of the "Emerald Necklace."

Millions of numbers carved in glass represent the tattoos forced upon victims.

This museum explores the grim reality of life in the earliest British colonies in America.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Ornate and macabre headstone in one of the country's oldest cemeteries.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The massive machine creates cracking displays of indoor lightning.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This network of narrow, medieval passages has the most delightful name.

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.