The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Europe's largest prehistoric mound – burial site of a legendary king?

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The legend says that this English rock formation was once a hunter who was turned to stone by annoyed witches.

This grave resides at the crossroad of three parishes.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

Copenhagen's celebrated theme park and gardens.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

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

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.