A dilapidated dock tells the story of Titanic's missed arrival.

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

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

The city-sized home palace of one of ancient Egypt's most powerful rulers gives us a rare look into the lives of the epoch's rulers.

Come for the flowers, stay for the bats!

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

A posh members-only club with a literally dramatic history.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

The former sign of this immortal music venue is just that--undying.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

The most confusing clock in New York.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

Medicinal spa created with the discharge from a geothermal energy plant.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.