This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

Cities of the world and famous Thai monuments in minature.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

A quirky museum paying tribute to the history of the optical industry.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Norway has built what may be the world's most beautiful public toilet.

This community-driven organization uses education and eco-friendly technology to protect the environment.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

An unusual house built using an iso-elastic membrane.

A medieval fresco which reminds visitors that death will come for us all.

This unusually shaped fortress houses a blend of centuries-old frescoes and modern art.

A vast collection of rare, historical, and vintage supercomputers.

An incredibly durable timepiece glows beneath shoppers' feet.

Where the line between entertainment and aerospace blurs.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

This little-known memorial honors those who have donated their bodies to medical training.

This Oaxacan town is known for its colorful fantastical creatures hand-carved by local artisans.

Though the original building has been demolished, these massive bronze doors were saved.