Impressive sink holes fill this untouched old-growth forest in the Bahamas.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

The world’s largest underwater sculpture is found just off the coast of Nassau.

In paradise, feral pigs have claimed an island all to themselves.

This secluded date farm can be reached only by following a bumpy, single-lane desert road.

Hidden within a spa in a Texas strip mall is a restaurant specializing in Eastern European foods.

Cockroach Museum features roach celebrities and live hissing cockroaches.

In September 1974, a small group of athletes completed the first modern triathlon event in San Diego's Mission Bay.

At this local mall, visitors are ushered through a 1940s jail exhibit.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

The Giant Lemon of Lemon Grove.

A subterranean haunt where wine and homemade biscottis are always on the menu.

The remains of a boarding school designed to forcibly assimilate Native American children.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Built as a schoolhouse in 1914, this Mission-style building has also served as a dancehall, a library, an Army canteen, and now a cultural museum.

Peek inside this sandy mailbox and you'll spot kids' letters to Santa.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

An unexpected sinkhole in a desert flat within Gold Butte National Monument.

Harder layers in colorful sandstone weather out as prominent “fins" and even more intricate and bizarre shapes.