Steven Humble, founder and president of Creative Home Engineering​, helps make the unbelievable believable with his hidden ...

Also known as "volcano snails," these gastropods grow a suit of metal-enriched scaly armor and have an enormous heart, which ...

Three mystery levers, one of them is the WRONG one! If you activate the wrong mystery lever the trap door falls dropping your expensive item into the trap down below! China caves on 125% tariff ...

Grab your boots and get your betting money ready–The Trap Door in Clare is hosting a Kentucky-Derby themed party from 5 p.m. to 12 a.m. on May 3. Voting on horses will be displayed on the big ...

Imagine mounting a scaffold in the atrium of a historic Roman estate. You spy a small trap door in the vaulted ceiling; on inspection the hatch opens into a cavity between the new ceiling and an ...

A trap door in the Pompeian Room of the 16th-century Villa Farnesina in Rome revealed previously unknown frescoes by the painter Carlo Maratta and two students.Credit...Filippo Monteforte/Agence ...