An ancient capital city that dates back 3,000 years old and harbors many surprises.

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

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

Soldiers carved these regimental badges into the chalk hills in remembrance of those who died in World War I.

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

The commemorative stone column conceals a secret laboratory.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

This single-track road rewards brave drivers with stunning Scottish scenery.

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

The final resting place of Harriet Tubman and other famous historical figures.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

The graveyard with the highest IQ in Britain.

It's believed this golden brick is part of the legendary lost Aztec treasure.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

The site of the notorious Great Train Robbery of £2.6 million, one of the biggest heists in English history.

Locals affectionately dubbed this World War I memorial "Tommy."

The solitary cairn marks a mysterious death that's still controversial more than two decades later.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

This memorial museum chronicles the apocalyptic destruction of the First World War.

This spectacular track has run continuously since 1882.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.