These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

A field of nothing but boulders which resembles a giant's gravel driveway.

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.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

This jail which was in service for over a century is now open for curious visitors.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A failed piece of Orientalism has become the proud symbol of a community.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

The oldest farmer's market in America is so ancient it was approved by the King of England.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

A local prank turned town icon.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

The land is home to swimming ponies and a legendary 18th-century treasure.