The ruins of a town wiped out by the second-largest earthquake in recorded history.

One woman's dream became a train hotel in her backyard.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

A trading post in the North Pole where children send letters.

Colorful boxes placed over the dead are left to rot and crumble.

Four-story concrete hotel never opened to customers.

The king of U.S. high points towers over every other peak on the continent.

This whimsical stacked cabin looks like something out of a children's book.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

Archaeological sites and great food inside the island's largest mangrove forest.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

A replica of the decorated wooden pillars Viking sailors threw overboard when finding new places to establish a settlement.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

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

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

This stunning concert hall has become a symbol of Iceland's national recovery.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Three columns of volcanic rock shoot out of the ocean.

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