Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

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

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Inside this art and oddity-filled shop, a small room filled with secrets.

This city block-long devotional site, a replica of a famous site in France, is dedicated to the patron saint of grandmothers, mothers, and educators.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

Taxidermied cartoon heads, unseen illustrations, and famous characters all reside in this small gallery space.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

A little piece of Paris in the sultry south of the U.S.

This house designed by Frank Lloyd and Louis Sullivan was destroyed twice and reconstructed to near original condition.

A domino effect created with Britain’s iconic telephone boxes.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.