Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Visitors to this shop will find fossils, minerals, meteorites, skeletons, oddities, and much more.

This museum honors the composer of “Swannee Ribber.”

The so-called "world's shortest river" is actually a window into a cave.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

This functioning mill was built in the 1970s using parts from several other West Virginia mills.

A 1950s eccentric's vision of Eden preserved as a hiking trail.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

This shrine commemorates the site of the first known Catholic mass in the United States.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Approximately 65,000 gallons of crystal clear water pour out of this headspring every minute.

An Orlando museum houses the world’s most comprehensive collection of work by Louis Comfort Tiffany.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

The Harlem Renaissance poet and activist wrote, organized, and hosted travelers in this Lynchburg, Virginia oasis.

The only museum outside of Australia dedicated to exhibiting the artwork of Indigenous Australian artists.

The only recreation of William Shakespeare's indoor playhouse.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.