4. Hanakapiai Beach, Hawaii
The stunningly beautiful Hanakapiai Beach of Kauai Na stretches for two miles along the popular Kalalau Hiking Trail. The sandy shoreline and clear waters might look inviting, but this is certainly no place to take a refreshing swim. High surfs, very strong rip currents and high tides make it extremely hazardous. Additionally, the beach is very remote and has claimed the lives of dozens of people over the years.

5. Boiling Lake, Dominica
The name says it all. With a water temperature reaching an average of 200 degrees Fahrenheit at the edges of the lake, Dominica’s Boiling Lake is certainly not a place where you’d want to lose your footing. The highly active volcanic region is popular among tourists, but you’ll want to exercise extreme caution when exploring. It is believed that the lake is some 200 feet deep, and it is perpetually rolling, looking just like a giant cauldron of boiling water. Don’t get cooked here.

6. Volusia County, Florida
Florida’s Volusia County has the ominous distinction of being home to the largest number of shark attacks anywhere in the world. The town of New Smyrna Beach alone has seen hundreds of fatal and injurious shark attacks over the last few decades, leading it to becoming known as the “Shark Bite Capital of the World”. The most common culprits are bull sharks, which can reach up to 11 feet in length.
