Every equinox this Maya pyramid puts on a spooky ancient light show.

Three-story slide through the New Museum.

France's most famous cemetery, with some of its most curious tombs.

Hub of Scandinavian culture in a Minneapolis deli.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

The final resting place of the great navigator, or maybe his brother.

A graffiti Mecca welcoming artists from around the world.

Secret hideaway for an alternative beach experience.

A museum dedicated to the exploring past, present, and future innovations.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Elevated freight railway turned wildly successful urban park.

Cave shrine on Monte Pellegrino.

A church of bones, decorated with 40,000 human skeletons.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Massive installation of Europe's negative stereotypes.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.