The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

More than five miles of underground passageways.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This historic train station has been converted to a locomotive themed hotel.

A bizarre roadside attraction and the first instance of miniature golf in the world.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

The former home of Norway's greatest romantic composer.

This handsomely carved wooden church is more than 800 years old.

Art becomes an enchanting part of the environment at this wooded sculpture park.

This record shop and unofficial black metal museum is an ode to Oslo's heaviest musical export.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

Years of archaeology, just chillin' by the water cooler.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A genuine Tudor manor transported piece by piece from England.

The only recreation of William Shakespeare's indoor playhouse.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

This labyrinthine resting place of Black American leaders has been reclaimed by nature.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

An original apothecary from 1792.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.