One of the most important yet well-hidden museums dedicated to the history of medicine.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A 1960s damming project turned one family’s hilltop cemetery into an island.

What remains of the summer palace of King Kamehameha III.

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

A unique set of caves that spits waves back out into the ocean.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Try not to get slimed in Tribeca.

This historic home of the shag is keeping a Southern dance tradition going strong.

The last refinements in the North Carolina-South Carolina boundary were marked with this stone.

The imprints of astronaut Charles Duke’s moon boots live on at Myrtle Beach’s official South Carolina Hall of Fame.

From the 1940 Ford Coupe that started it all 50 years ago, this collection of over 150 classic vehicles celebrates the spirit and history of American car craft.

If Myrtle Beach is the mini golf capital of the world, this is its crowning glory.

If it wasn’t for a real estate agent with a penchant for old-school arcades, this hands-on collection of nostalgic flipper machines might never exist.

A royal relic from the time that gambling was accidentally made legal in South Carolina.

The only free-standing, vertical sundial in the US was keeping standard time before it was even invented.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

Tour the sci-fi-esque reality of governmental disease management.

The underground hideout of a Japanese soldier for whom World War II ended in 1972.

A beautiful waterway tucked in the corner of a power plant.

Located on Guam's south shore, this small cave is named for an ancient and powerful Chamorro Chief.