I-95's Tijuana-style celebration of kitsch at the Carolina border.

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

St. Augustine's record-setting narrow street was designed to protect against pirates.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This small fort played a huge role defending Puerto Rico’s capital city.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

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

This iconic science fiction house still looks like something from the future.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

This colonial mansion has been home to a staggering number of American historic figures.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

This giant disembodied horse head seems to balance impossibly on its nose.

A glittering Thai Buddhist temple in suburban Pennsylvania.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.