Eclectic collections, artwork, and some feline friends fill the writer's former home.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

Hundreds of personalized inscribed planks make up this historic boardwalk.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

This small beachside park commemorates the possibilities of discovery.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

Iconic red and white plaques show the creative names invented to navigate the city streets.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.

This small, yet notable, cable-stayed bridge was built to support tourism to a series of internet-famous pink lakes.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

A flooded Mexican cave that hides a river beneath the water.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

Few of the many visitors to this resort town know of its hidden Maya ruins.

It might look like a doghouse, but this small structure was actually built to house a spirit from Maya mythology.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

Beach instrument turned bed and breakfast.

An island graveyard with spectacular views of the Caribbean.