See massive fossils that are over 200 million years old in northeastern Arizona.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

The 40-year-old machine serves soda quicker than you can catch it for a mere 75 cents a pop.

Shop of curiosities with a dinosaur museum tucked in its basement.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

A display of magnificent stained glass windows is the first exhibit of its kind.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

This one-time health resort was used by aristocrats around the world.

One of the largest Native American shell middens stands 30 feet tall.

A whimsical bridge adorned with decorative dragons.

Former bath house turns gastropub.

Beloved bar home to musicians of all eras and reputations.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A science teacher's dream.

Location of the Real World's disastrous, and protested, eleventh season.