A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

This lone survivor of a regional franchise still slings delicious burgers and colossal servings of fries.

A memorial for a racecar driver who died while trying to set a land speed record on the autobahn.

A ferry has operated across the River Hamble for around 500 years, but its distinctive bubblegum pink is a more recent addition.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

A small stone memorial marks the spot where a Bristol Beaufort aircraft crashed in 1941.

Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.

Built in 1917, this building is home to the last working spring-loaded dance floor in Utah.

Dedicated to one of the nation's worst engineering disasters.

A mixture of strange symbols, ciphers, words and cryptograms carved in 1876 remain unsolved to this day.

Once a major stop on the Hejaz Railway, this desert station (complete with steam locomotive) has been abandoned for decades.

The local community brought back this land to transform it into a nature preserve.

On the outskirts of San Antonio, a small bridge is said to be the home of a mysterious local legend known as the "Donkey Lady."

When it was built in 1916, this bridge was critical infrastructure for local farmers. Today, it's being restored for walking and biking.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

Everything from alchemy books to building plans for the Eiffel Tower are housed inside this museum.

On the side of a Virginia highway, a collection of monuments commemorates an 18th-century trek through the Blue Ridge Mountains.

The remains of a concrete ship sit on a sandbank between Ballina Quay and Belleek Woods.

These markers are used to document elevation changes around the famed dam.

A blast of nostalgia awaits visitors to this miniature indoor raceway.

These markers are used to determine the ground stability of the Strip.

The longest step street in the city.

The metal leaves on this tree are engraved with the names of Holocaust victims.

An interesting look into 18th-century American history.