The highway's southernmost spot is a beloved local attraction.

A historic presidential getaway on the continental United States' southernmost island.

A historic landmark and museum filled with curious objects representing the history of Key West.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

This mosque turned crypt is an amazing display of Persian-Islamic architecture.

This sculpture was made in 1973 for the city's 300th-anniversary celebrations and was largely considered an eyesore at the time.

Historic site where Native American hunters once trapped and killed buffalo.

This stunning concert hall has become a symbol of Iceland's national recovery.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

Iranian tombstones shaped like male and female sexual organs.

An unassuming corner inside downtown Orlando's library offers a whole new world of the park and its history.

This aluminum airplane pays homage to the Flying Tigers of World War II.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

These planks were originally installed to hold the dead.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.