A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Legend says this sacred tree was a gift from goddess Athena.

Giant marble phalluses on the sacred island of antiquity.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The footprint of a frustrated devil in Munich's Cathedral.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Liechtenstein's royal family calls this medieval alpine castle home.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

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

Iceland's tribute to its thankless civil servants.

Three columns of volcanic rock shoot out of the ocean.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.