The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

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

No one messes with the Massachusetts sacred cod, not this time...

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A stunning Victorian abbey and walled garden on a lakefront.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

A naturally mummified 2,000-year-old man.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Only a fragment of this 15th-century Dance of Death survives today.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

Hans Christian Andersen for the postmodern world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

The mouldering manses of wealthy colonials still pock the streets of a Curaçao neighborhood.

This tiny tropical village was sick of anonymity so the locals made this sign, which actually changed the name of the town.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Home of the "true" equator.