Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

Local legend says the remains of Father Christmas lie within the medieval grounds.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

An annual extravaganza of Broadway theater memorabilia.

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

After Havre burned down, the best place to build was under the ashes.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

This curiosity shop contains a museum filled with bizarre, unique objects.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A mysterious "wedding cake" castle in the middle of the urban desert.

Limestone caves with spectacular showcase chambers.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A Saint Nicholas-themed ghost town in the Mojave desert.

A reproduction of earth's many biomes.