This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Inmates dig the graves at the largest prison cemetery in the U.S., the final resting place of both cowboys and Indians.

This replica of the Greek structure is in the heart of Nashville.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Home to the deepest rift anywhere on Earth.

This historic cemetery stopped accepting bodies before many Canadian cities were founded.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

A ruined castle stands atop a hill surrounded by dragon lore.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

A health museum containing a 27’’½-foot intestine.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.