A magnificent waterfall nestled in the heart of the El Yunque National Forest.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A tiny twin to Seattle's Fremont troll hides from the Florida sun under the Atlantic Boulevard drawbridge.

Once one of the largest producers of pig iron in the world.

A man's home is his castle.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

Georgia's highest point was given its strange name thanks to a simple translation error.

There has been an astronomical clock on this spot since the 14th century.

According to legend a man pooped out the window of this tower to prove that it was straight.

In this truly magical place, rent hasn't been raised since the year 1520.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Tiny castle in the middle of the Rhine made you pay to pass.

Legendary site where an evil bishop was devoured by rodents.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

Certain traditions prevail on the least-visited island of the Aran Islands.

A late-night restaurant empire was launched from this humble storefront.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

The remnants of an archaeological camp stand within Tikal National Park.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.