While most bridges allow roads to pass over water, this one allows water to pass over a road.

Its collection includes a broad array of social, geographic, graphic design, and political history.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

An aviation relic that made coast-to-coast travel possible.

These roaring primates were considered a divine creature in the cosmology of the Maya.

This kitschy curio wonderland is full of fake animals, teak tables, and a cacophony of random bric-a-brac.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

The fifth-longest natural arch in the world, and the longest outside China.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

Meet manatees face-to-face at this zoo for native species.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

A tiny, unassuming park in Tampa that belongs to the Republic of Cuba.

A unique botanical garden housed in three giant geodesic domes.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The timeworn "Yankee Stadium" of the fastest game in the world isn't going anywhere.