Arrr! The most authentic collection of pirate artifacts in the world... matey.

An abandoned town is hidden in Great Smoky Mountains National Park.

The art studio of an early 20th-century painter, hidden amid the Great Smoky Mountains.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

A historic presidential getaway on the continental United States' southernmost island.

The highway's southernmost spot is a beloved local attraction.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The former hotel where Tesla invented the radio.

This beautiful Miami garden was designed as a laboratory for tropical plants.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

A celebration of capitalism in Midtown.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.