This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

Hear the quietest sound from across the dome.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Taxidermied animals galore, by appointment only.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

This sandstone mansion was the home of two of Oregon's most important pioneers.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This plaque is dedicated to one-half of the Magliozzi brothers and their hit radio show, 'Car Talk.'

Memorial to a beloved puppeteer as well as all street performers.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This historic Boston building has gone from personal estate to porn theater and back again.

Dim sum, served in a grand old theater.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Try not to get slimed in Tribeca.

This Scottish manor house is a lush relic from the life of a literary great.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

This quirky curiosity shop takes its cues from the world's bazaars.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.