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

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

This former shopping center now acts as the eccentric lair of the Venezuelan secret police and their shadow prison.

A 220-foot deep watery drop-off, filled with marine life.

Collection of fossils, plants, and ancient animals encased in amber.

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

Used as a military post in three different engagements, this fort has remained incomplete and unfired upon for nearly 200 years.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Though illegal, city officials have made an exception for this work of art.

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

A trek through the solar system here on earth.

Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.

A tribute to a hometown hero and surfing legend.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

The oldest house of worship in Palm Beach has a wonderful tropical garden.

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

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.