One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

A larger-than-life dedication to the famous lumberjack and his loyal ox.

The first inhabitants of this remote town faced a grisly death.

This site was once the largest ski jump tower in the world.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

One of the best examples of Art Deco architecture in the United States.

These massive mitts are made of 30 tons of devotional bronze.

The remains of an early 1900s dude ranch that operated until the 1970s.

Supremely flaky treats await at Amadou Ly’s boulangerie and patisserie.

The Gulf’s longest fishing pier is a year-round paradise for catch-and-release whoppers.

A local landmark with generations of spraypainted messages, and more being added each day.

This now-deactivated naval base defended the Florida coast for centuries.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

Try not to get slimed in Tribeca.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

An impressive collection is dedicated to the legendary beast.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.