A tunnel of hardened lava along Maui’s famous Road to Hana.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A science teacher's dream.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The celebrated eyesore created by starry-eyed sweethearts.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

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

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

Recently restored menagerie of Victorian-era beasts.

The first archaeological site discovered by aerial photography.